396895857 has 8 divisors (see below), whose sum is σ = 529896576. Its totient is φ = 264246192.

The previous prime is 396895831. The next prime is 396895859. The reversal of 396895857 is 758598693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396895857 - 2⁸ = 396895601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396895857.

It is not an unprimeable number, because it can be changed into a prime (396895859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85113 + ... + 89654.

It is an arithmetic number, because the mean of its divisors is an integer number (66237072).

Almost surely, 2^396895857 is an apocalyptic number.

It is an amenable number.

396895857 is a deficient number, since it is larger than the sum of its proper divisors (133000719).

396895857 is a wasteful number, since it uses less digits than its factorization.

396895857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175527.

The product of its digits is 16329600, while the sum is 60.

The square root of 396895857 is about 19922.2452800883. The cubic root of 396895857 is about 734.8953879528.

The spelling of 396895857 in words is "three hundred ninety-six million, eight hundred ninety-five thousand, eight hundred fifty-seven".