395985117 has 16 divisors (see below), whose sum is σ = 577175040. Its totient is φ = 239492400.

The previous prime is 395985113. The next prime is 395985157. The reversal of 395985117 is 711589593.

It is not a de Polignac number, because 395985117 - 2² = 395985113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395985113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984 + ... + 28422.

It is an arithmetic number, because the mean of its divisors is an integer number (36073440).

Almost surely, 2^395985117 is an apocalyptic number.

It is an amenable number.

395985117 is a deficient number, since it is larger than the sum of its proper divisors (181189923).

395985117 is a wasteful number, since it uses less digits than its factorization.

395985117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24944.

The product of its digits is 340200, while the sum is 48.

The square root of 395985117 is about 19899.3747891737. The cubic root of 395985117 is about 734.3328464158.

The spelling of 395985117 in words is "three hundred ninety-five million, nine hundred eighty-five thousand, one hundred seventeen".