396751775 has 18 divisors (see below), whose sum is σ = 572295960. Its totient is φ = 272057520.

The previous prime is 396751759. The next prime is 396751781. The reversal of 396751775 is 577157693.

It is not a de Polignac number, because 396751775 - 2⁴ = 396751759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 160715 + ... + 163164.

It is an arithmetic number, because the mean of its divisors is an integer number (31794220).

Almost surely, 2^396751775 is an apocalyptic number.

396751775 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

396751775 is a deficient number, since it is larger than the sum of its proper divisors (175544185).

396751775 is a wasteful number, since it uses less digits than its factorization.

396751775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323903 (or 323891 counting only the distinct ones).

The product of its digits is 1389150, while the sum is 50.

The square root of 396751775 is about 19918.6288433717. The cubic root of 396751775 is about 734.8064494139.

The spelling of 396751775 in words is "three hundred ninety-six million, seven hundred fifty-one thousand, seven hundred seventy-five".