239903472 has 20 divisors (see below), whose sum is σ = 619750760. Its totient is φ = 79967808.

The previous prime is 239903471. The next prime is 239903491. The reversal of 239903472 is 274309932.

It is a self number, because there is not a number n which added to its sum of digits gives 239903472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239903471) 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 3 ways as a sum of consecutive naturals, for example, 2498947 + ... + 2499042.

It is an arithmetic number, because the mean of its divisors is an integer number (30987538).

Almost surely, 2^239903472 is an apocalyptic number.

It is an amenable number.

239903472 is an abundant number, since it is smaller than the sum of its proper divisors (379847288).

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

239903472 is a wasteful number, since it uses less digits than its factorization.

239903472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998000 (or 4997994 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 239903472 is about 15488.8176437067. The cubic root of 239903472 is about 621.3631747575.

The spelling of 239903472 in words is "two hundred thirty-nine million, nine hundred three thousand, four hundred seventy-two".