396075917 has 4 divisors (see below), whose sum is σ = 400848000. Its totient is φ = 391303836.

The previous prime is 396075859. The next prime is 396075923. The reversal of 396075917 is 719570693.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 396075917 - 2⁸ = 396075661 is a prime.

It is a super-2 number, since 2×396075917² = 313752264054781778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396071917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385917 + ... + 2386082.

It is an arithmetic number, because the mean of its divisors is an integer number (100212000).

Almost surely, 2^396075917 is an apocalyptic number.

It is an amenable number.

396075917 is a deficient number, since it is larger than the sum of its proper divisors (4772083).

396075917 is an equidigital number, since it uses as much as digits as its factorization.

396075917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772082.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 396075917 is about 19901.6561371158. The cubic root of 396075917 is about 734.3889700122.

The spelling of 396075917 in words is "three hundred ninety-six million, seventy-five thousand, nine hundred seventeen".