113904428 has 24 divisors (see below), whose sum is σ = 217724304. Its totient is φ = 51710400.

The previous prime is 113904421. The next prime is 113904457. The reversal of 113904428 is 824409311.

Added to its reverse (824409311) it gives a cube (938313739 = 979³).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113904394 and 113904403.

It is not an unprimeable number, because it can be changed into a prime (113904421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69458 + ... + 71078.

It is an arithmetic number, because the mean of its divisors is an integer number (9071846).

Almost surely, 2^113904428 is an apocalyptic number.

It is an amenable number.

113904428 is a deficient number, since it is larger than the sum of its proper divisors (103819876).

113904428 is a wasteful number, since it uses less digits than its factorization.

113904428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 113904428 is about 10672.6017446544. The cubic root of 113904428 is about 484.7452206310.

Adding to 113904428 its reverse (824409311), we get a cube (938313739 = 979³).

The spelling of 113904428 in words is "one hundred thirteen million, nine hundred four thousand, four hundred twenty-eight".