323790432 has 144 divisors (see below), whose sum is σ = 1047135600. Its totient is φ = 87048192.

The previous prime is 323790413. The next prime is 323790451. The reversal of 323790432 is 234097323.

It is an interprime number because it is at equal distance from previous prime (323790413) and next prime (323790451).

It is a junction number, because it is equal to n+sod(n) for n = 323790393 and 323790402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77944 + ... + 81992.

It is an arithmetic number, because the mean of its divisors is an integer number (7271775).

Almost surely, 2^323790432 is an apocalyptic number.

323790432 is a gapful number since it is divisible by the number (32) 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 323790432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523567800).

323790432 is an abundant number, since it is smaller than the sum of its proper divisors (723345168).

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

323790432 is a wasteful number, since it uses less digits than its factorization.

323790432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4078 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 323790432 is about 17994.1777250309. The cubic root of 323790432 is about 686.6804299668.

The spelling of 323790432 in words is "three hundred twenty-three million, seven hundred ninety thousand, four hundred thirty-two".