395690975 has 12 divisors (see below), whose sum is σ = 506485440. Its totient is φ = 306340800.

The previous prime is 395690927. The next prime is 395690983. The reversal of 395690975 is 579096593.

It is a de Polignac number, because none of the positive numbers 2^k-395690975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254510 + ... + 256059.

It is an arithmetic number, because the mean of its divisors is an integer number (42207120).

Almost surely, 2^395690975 is an apocalyptic number.

395690975 is a deficient number, since it is larger than the sum of its proper divisors (110794465).

395690975 is a wasteful number, since it uses less digits than its factorization.

395690975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510610 (or 510605 counting only the distinct ones).

The product of its (nonzero) digits is 2296350, while the sum is 53.

The square root of 395690975 is about 19891.9826814725. The cubic root of 395690975 is about 734.1509779340.

The spelling of 395690975 in words is "three hundred ninety-five million, six hundred ninety thousand, nine hundred seventy-five".