395665312 has 24 divisors (see below), whose sum is σ = 890247456. Its totient is φ = 169570752.

The previous prime is 395665289. The next prime is 395665363. The reversal of 395665312 is 213566593.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882958 + ... + 883405.

It is an arithmetic number, because the mean of its divisors is an integer number (37093644).

Almost surely, 2^395665312 is an apocalyptic number.

395665312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

395665312 is an abundant number, since it is smaller than the sum of its proper divisors (494582144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395665312 is a wasteful number, since it uses less digits than its factorization.

395665312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766380 (or 1766372 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The square root of 395665312 is about 19891.3376121366. The cubic root of 395665312 is about 734.1351061847.

The spelling of 395665312 in words is "three hundred ninety-five million, six hundred sixty-five thousand, three hundred twelve".