395351685 has 20 divisors (see below), whose sum is σ = 708705228. Its totient is φ = 210854016.

The previous prime is 395351651. The next prime is 395351689. The reversal of 395351685 is 586153593.

395351685 is a `hidden beast` number, since 3 + 9 + 53 + 516 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 285981921 + 109369764 = 16911^2 + 10458^2 .

It is not a de Polignac number, because 395351685 - 2⁷ = 395351557 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 395351685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395351689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 487684 + ... + 488493.

Almost surely, 2^395351685 is an apocalyptic number.

It is an amenable number.

395351685 is a deficient number, since it is larger than the sum of its proper divisors (313353543).

395351685 is an equidigital number, since it uses as much as digits as its factorization.

395351685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976194 (or 976185 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 395351685 is about 19883.4525422523. The cubic root of 395351685 is about 733.9410823925.

The spelling of 395351685 in words is "three hundred ninety-five million, three hundred fifty-one thousand, six hundred eighty-five".