400949104 has 20 divisors (see below), whose sum is σ = 793368864. Its totient is φ = 196208768.

The previous prime is 400949083. The next prime is 400949113. The reversal of 400949104 is 401949004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265837 + ... + 267340.

Almost surely, 2^400949104 is an apocalyptic number.

It is an amenable number.

400949104 is a deficient number, since it is larger than the sum of its proper divisors (392419760).

400949104 is a wasteful number, since it uses less digits than its factorization.

400949104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533232 (or 533226 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 400949104 is about 20023.7135416985. The cubic root of 400949104 is about 737.3885942608.

The spelling of 400949104 in words is "four hundred million, nine hundred forty-nine thousand, one hundred four".