404361964 has 24 divisors (see below), whose sum is σ = 736117200. Its totient is φ = 194120640.

The previous prime is 404361959. The next prime is 404361989. The reversal of 404361964 is 469163404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11367 + ... + 30625.

It is an arithmetic number, because the mean of its divisors is an integer number (30671550).

Almost surely, 2^404361964 is an apocalyptic number.

It is an amenable number.

404361964 is a deficient number, since it is larger than the sum of its proper divisors (331755236).

404361964 is a wasteful number, since it uses less digits than its factorization.

404361964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19473 (or 19471 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 404361964 is about 20108.7534173553. The cubic root of 404361964 is about 739.4748916513.

The spelling of 404361964 in words is "four hundred four million, three hundred sixty-one thousand, nine hundred sixty-four".