223929904 has 20 divisors (see below), whose sum is σ = 473306760. Its totient is φ = 101786240.

The previous prime is 223929859. The next prime is 223929913. The reversal of 223929904 is 409929322.

It is a happy number.

It is an unprimeable number.

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, 635989 + ... + 636340.

It is an arithmetic number, because the mean of its divisors is an integer number (23665338).

Almost surely, 2^223929904 is an apocalyptic number.

It is an amenable number.

223929904 is an abundant number, since it is smaller than the sum of its proper divisors (249376856).

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

223929904 is a wasteful number, since it uses less digits than its factorization.

223929904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272348 (or 1272342 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 223929904 is about 14964.2876208659. The cubic root of 223929904 is about 607.2544387361.

The spelling of 223929904 in words is "two hundred twenty-three million, nine hundred twenty-nine thousand, nine hundred four".