395001996 has 12 divisors (see below), whose sum is σ = 921671352. Its totient is φ = 131667328.

The previous prime is 395001989. The next prime is 395002037. The reversal of 395001996 is 699100593.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 16458405 + ... + 16458428.

It is an arithmetic number, because the mean of its divisors is an integer number (76805946).

Almost surely, 2^395001996 is an apocalyptic number.

It is an amenable number.

395001996 is an abundant number, since it is smaller than the sum of its proper divisors (526669356).

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

395001996 is a wasteful number, since it uses less digits than its factorization.

395001996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32916840 (or 32916838 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 395001996 is about 19874.6571291180. The cubic root of 395001996 is about 733.7246279972.

The spelling of 395001996 in words is "three hundred ninety-five million, one thousand, nine hundred ninety-six".