404704868 has 6 divisors (see below), whose sum is σ = 708233526. Its totient is φ = 202352432.

The previous prime is 404704841. The next prime is 404704903. The reversal of 404704868 is 868407404.

It can be written as a sum of positive squares in only one way, i.e., 307721764 + 96983104 = 17542^2 + 9848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50588105 + ... + 50588112.

It is an arithmetic number, because the mean of its divisors is an integer number (118038921).

Almost surely, 2^404704868 is an apocalyptic number.

It is an amenable number.

404704868 is a deficient number, since it is larger than the sum of its proper divisors (303528658).

404704868 is a wasteful number, since it uses less digits than its factorization.

404704868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101176221 (or 101176219 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 404704868 is about 20117.2778476612. The cubic root of 404704868 is about 739.6838605768.

The spelling of 404704868 in words is "four hundred four million, seven hundred four thousand, eight hundred sixty-eight".