182891340 has 144 divisors (see below), whose sum is σ = 595576800. Its totient is φ = 45287424.

The previous prime is 182891339. The next prime is 182891347. The reversal of 182891340 is 43198281.

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 = 182891295 and 182891304.

It is not an unprimeable number, because it can be changed into a prime (182891347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180756 + ... + 181764.

It is an arithmetic number, because the mean of its divisors is an integer number (4135950).

Almost surely, 2^182891340 is an apocalyptic number.

182891340 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 182891340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297788400).

182891340 is an abundant number, since it is smaller than the sum of its proper divisors (412685460).

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

182891340 is a wasteful number, since it uses less digits than its factorization.

182891340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 182891340 is about 13523.7324729529. The cubic root of 182891340 is about 567.6287455253.

The spelling of 182891340 in words is "one hundred eighty-two million, eight hundred ninety-one thousand, three hundred forty".