404408904 has 32 divisors (see below), whose sum is σ = 1024876320. Its totient is φ = 132955776.

The previous prime is 404408891. The next prime is 404408909. The reversal of 404408904 is 409804404.

It is not an unprimeable number, because it can be changed into a prime (404408909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113662 + ... + 117165.

It is an arithmetic number, because the mean of its divisors is an integer number (32027385).

Almost surely, 2^404408904 is an apocalyptic number.

It is an amenable number.

404408904 is an abundant number, since it is smaller than the sum of its proper divisors (620467416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404408904 is a wasteful number, since it uses less digits than its factorization.

404408904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230909 (or 230905 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 404408904 is about 20109.9205368892. The cubic root of 404408904 is about 739.5035043065.

The spelling of 404408904 in words is "four hundred four million, four hundred eight thousand, nine hundred four".