396551596 has 24 divisors (see below), whose sum is σ = 809980416. Its totient is φ = 166334160.

The previous prime is 396551581. The next prime is 396551609. The reversal of 396551596 is 695155693.

It is a happy number.

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, 149350 + ... + 151981.

It is an arithmetic number, because the mean of its divisors is an integer number (33749184).

Almost surely, 2^396551596 is an apocalyptic number.

It is an amenable number.

396551596 is an abundant number, since it is smaller than the sum of its proper divisors (413428820).

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

396551596 is a wasteful number, since it uses less digits than its factorization.

396551596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301389 (or 301387 counting only the distinct ones).

The product of its digits is 1093500, while the sum is 49.

The square root of 396551596 is about 19913.6032902135. The cubic root of 396551596 is about 734.6828477275.

The spelling of 396551596 in words is "three hundred ninety-six million, five hundred fifty-one thousand, five hundred ninety-six".