400693475 has 24 divisors (see below), whose sum is σ = 611523360. Its totient is φ = 253624320.

The previous prime is 400693463. The next prime is 400693529. The reversal of 400693475 is 574396004.

It is not a de Polignac number, because 400693475 - 2⁴ = 400693459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85790 + ... + 90339.

It is an arithmetic number, because the mean of its divisors is an integer number (25480140).

Almost surely, 2^400693475 is an apocalyptic number.

400693475 is a deficient number, since it is larger than the sum of its proper divisors (210829885).

400693475 is a wasteful number, since it uses less digits than its factorization.

400693475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176159 (or 176154 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 400693475 is about 20017.3293673257. The cubic root of 400693475 is about 737.2318511889.

The spelling of 400693475 in words is "four hundred million, six hundred ninety-three thousand, four hundred seventy-five".