395917930 has 32 divisors (see below), whose sum is σ = 756340416. Its totient is φ = 148702464.

The previous prime is 395917919. The next prime is 395917943. The reversal of 395917930 is 39719593.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76897 + ... + 81883.

It is an arithmetic number, because the mean of its divisors is an integer number (23635638).

Almost surely, 2^395917930 is an apocalyptic number.

395917930 is a deficient number, since it is larger than the sum of its proper divisors (360422486).

395917930 is a wasteful number, since it uses less digits than its factorization.

395917930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 395917930 is about 19897.6865489433. The cubic root of 395917930 is about 734.2913125218.

The spelling of 395917930 in words is "three hundred ninety-five million, nine hundred seventeen thousand, nine hundred thirty".