404894764 has 6 divisors (see below), whose sum is σ = 708565844. Its totient is φ = 202447380.

The previous prime is 404894687. The next prime is 404894773. The reversal of 404894764 is 467498404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611842 + ... + 50611849.

Almost surely, 2^404894764 is an apocalyptic number.

It is an amenable number.

404894764 is a deficient number, since it is larger than the sum of its proper divisors (303671080).

404894764 is a wasteful number, since it uses less digits than its factorization.

404894764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101223695 (or 101223693 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 404894764 is about 20121.9970181888. The cubic root of 404894764 is about 739.7995342062.

The spelling of 404894764 in words is "four hundred four million, eight hundred ninety-four thousand, seven hundred sixty-four".