396941996 has 24 divisors (see below), whose sum is σ = 797684160. Its totient is φ = 170931600.

The previous prime is 396941971. The next prime is 396942017. The reversal of 396941996 is 699149693.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236570 + ... + 238241.

It is an arithmetic number, because the mean of its divisors is an integer number (33236840).

Almost surely, 2^396941996 is an apocalyptic number.

It is an amenable number.

396941996 is an abundant number, since it is smaller than the sum of its proper divisors (400742164).

396941996 is a wasteful number, since it uses less digits than its factorization.

396941996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474845 (or 474843 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 56.

The square root of 396941996 is about 19923.4032233452. The cubic root of 396941996 is about 734.9238639571.

The spelling of 396941996 in words is "three hundred ninety-six million, nine hundred forty-one thousand, nine hundred ninety-six".