404564956 has 12 divisors (see below), whose sum is σ = 727123768. Its totient is φ = 196815312.

The previous prime is 404564933. The next prime is 404564959. The reversal of 404564956 is 659465404.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404564959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366626 + ... + 1366921.

Almost surely, 2^404564956 is an apocalyptic number.

It is an amenable number.

404564956 is a deficient number, since it is larger than the sum of its proper divisors (322558812).

404564956 is a wasteful number, since it uses less digits than its factorization.

404564956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733588 (or 2733586 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 404564956 is about 20113.8001382136. The cubic root of 404564956 is about 739.5986111479.

The spelling of 404564956 in words is "four hundred four million, five hundred sixty-four thousand, nine hundred fifty-six".