400939104 has 48 divisors (see below), whose sum is σ = 1080919728. Its totient is φ = 130033152.

The previous prime is 400939061. The next prime is 400939129. The reversal of 400939104 is 401939004.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 52887 + ... + 59990.

It is an arithmetic number, because the mean of its divisors is an integer number (22519161).

Almost surely, 2^400939104 is an apocalyptic number.

It is an amenable number.

400939104 is an abundant number, since it is smaller than the sum of its proper divisors (679980624).

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

400939104 is a wasteful number, since it uses less digits than its factorization.

400939104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112927 (or 112919 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 400939104 is about 20023.4638362098. The cubic root of 400939104 is about 737.3824638508.

The spelling of 400939104 in words is "four hundred million, nine hundred thirty-nine thousand, one hundred four".