400885107 has 32 divisors (see below), whose sum is σ = 623293440. Its totient is φ = 224449920.

The previous prime is 400885097. The next prime is 400885129. The reversal of 400885107 is 701588004.

It is a happy number.

It is not a de Polignac number, because 400885107 - 2⁴ = 400885091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400885207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477394 + ... + 478232.

It is an arithmetic number, because the mean of its divisors is an integer number (19477920).

Almost surely, 2^400885107 is an apocalyptic number.

400885107 is a deficient number, since it is larger than the sum of its proper divisors (222408333).

400885107 is a wasteful number, since it uses less digits than its factorization.

400885107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 400885107 is about 20022.1154476744. The cubic root of 400885107 is about 737.3493597143.

The spelling of 400885107 in words is "four hundred million, eight hundred eighty-five thousand, one hundred seven".