184742856 has 80 divisors (see below), whose sum is σ = 521478540. Its totient is φ = 61102080.

The previous prime is 184742851. The next prime is 184742863. The reversal of 184742856 is 658247481.

184742856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184688100 + 54756 = 13590^2 + 234^2 .

It is not an unprimeable number, because it can be changed into a prime (184742851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87736 + ... + 89816.

Almost surely, 2^184742856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 184742856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260739270).

184742856 is an abundant number, since it is smaller than the sum of its proper divisors (336735684).

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

184742856 is a wasteful number, since it uses less digits than its factorization.

184742856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2223 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 184742856 is about 13592.0144202396. The cubic root of 184742856 is about 569.5377970542.

The spelling of 184742856 in words is "one hundred eighty-four million, seven hundred forty-two thousand, eight hundred fifty-six".