239430432 has 96 divisors (see below), whose sum is σ = 643507200. Its totient is φ = 77932800.

The previous prime is 239430421. The next prime is 239430469. The reversal of 239430432 is 234034932.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 239430432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203069 + ... + 1203267.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^239430432 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 239430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321753600).

239430432 is an abundant number, since it is smaller than the sum of its proper divisors (404076768).

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

239430432 is a wasteful number, since it uses less digits than its factorization.

239430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 239430432 is about 15473.5397372418. The cubic root of 239430432 is about 620.9545061722.

The spelling of 239430432 in words is "two hundred thirty-nine million, four hundred thirty thousand, four hundred thirty-two".