404965504 has 16 divisors (see below), whose sum is σ = 806767470. Its totient is φ = 202482688.

The previous prime is 404965501. The next prime is 404965511. The reversal of 404965504 is 405569404.

It can be written as a sum of positive squares in only one way, i.e., 393943104 + 11022400 = 19848^2 + 3320^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (404965501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581769 + ... + 1582024.

Almost surely, 2^404965504 is an apocalyptic number.

It is an amenable number.

404965504 is a deficient number, since it is larger than the sum of its proper divisors (401801966).

404965504 is an equidigital number, since it uses as much as digits as its factorization.

404965504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163807 (or 3163795 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 404965504 is about 20123.7547192367. The cubic root of 404965504 is about 739.8426156653.

The spelling of 404965504 in words is "four hundred four million, nine hundred sixty-five thousand, five hundred four".