404787304 has 16 divisors (see below), whose sum is σ = 791975520. Its totient is φ = 193593840.

The previous prime is 404787287. The next prime is 404787311. The reversal of 404787304 is 403787404.

It is a happy number.

It is a super-2 number, since 2×404787304² = 327705522959176832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099782 + ... + 1100149.

It is an arithmetic number, because the mean of its divisors is an integer number (49498470).

Almost surely, 2^404787304 is an apocalyptic number.

It is an amenable number.

404787304 is a deficient number, since it is larger than the sum of its proper divisors (387188216).

404787304 is a wasteful number, since it uses less digits than its factorization.

404787304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199960 (or 2199956 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 404787304 is about 20119.3266288909. The cubic root of 404787304 is about 739.7340802503.

It can be divided in two parts, 40 and 4787304, that added together give a square (4787344 = 2188²).

The spelling of 404787304 in words is "four hundred four million, seven hundred eighty-seven thousand, three hundred four".