184227840 has 144 divisors (see below), whose sum is σ = 638820000. Its totient is φ = 49102848.

The previous prime is 184227839. The next prime is 184227853. The reversal of 184227840 is 48722481.

184227840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 184227795 and 184227804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91161 + ... + 93159.

It is an arithmetic number, because the mean of its divisors is an integer number (4436250).

Almost surely, 2^184227840 is an apocalyptic number.

184227840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 184227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319410000).

184227840 is an abundant number, since it is smaller than the sum of its proper divisors (454592160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

184227840 is a wasteful number, since it uses less digits than its factorization.

184227840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 184227840 is about 13573.0556618618. The cubic root of 184227840 is about 569.0080624175.

It can be divided in two parts, 18422 and 7840, that added together give a palindrome (26262).

The spelling of 184227840 in words is "one hundred eighty-four million, two hundred twenty-seven thousand, eight hundred forty".