404285804 has 24 divisors (see below), whose sum is σ = 769054608. Its totient is φ = 184847040.

The previous prime is 404285797. The next prime is 404285807. The reversal of 404285804 is 408582404.

It is a super-2 number, since 2×404285804² = 326894022631852832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404285807) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30767 + ... + 41894.

It is an arithmetic number, because the mean of its divisors is an integer number (32043942).

Almost surely, 2^404285804 is an apocalyptic number.

It is an amenable number.

404285804 is a deficient number, since it is larger than the sum of its proper divisors (364768804).

404285804 is a wasteful number, since it uses less digits than its factorization.

404285804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72785 (or 72783 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 404285804 is about 20106.8596255109. The cubic root of 404285804 is about 739.4284629983.

The spelling of 404285804 in words is "four hundred four million, two hundred eighty-five thousand, eight hundred four".