396598660 has 24 divisors (see below), whose sum is σ = 869069376. Its totient is φ = 151741920.

The previous prime is 396598639. The next prime is 396598667. The reversal of 396598660 is 66895693.

It is a happy number.

It is a super-2 number, since 2×396598660² = 314580994227591200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396598598 and 396598607.

It is not an unprimeable number, because it can be changed into a prime (396598667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430626 + ... + 431545.

It is an arithmetic number, because the mean of its divisors is an integer number (36211224).

Almost surely, 2^396598660 is an apocalyptic number.

It is an amenable number.

396598660 is an abundant number, since it is smaller than the sum of its proper divisors (472470716).

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

396598660 is a wasteful number, since it uses less digits than its factorization.

396598660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862203 (or 862201 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 396598660 is about 19914.7849599236. The cubic root of 396598660 is about 734.7119114072.

The spelling of 396598660 in words is "three hundred ninety-six million, five hundred ninety-eight thousand, six hundred sixty".