396630668 has 12 divisors (see below), whose sum is σ = 793261392. Its totient is φ = 169984560.

The previous prime is 396630631. The next prime is 396630673. The reversal of 396630668 is 866036693.

396630668 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7082663 + ... + 7082718.

It is an arithmetic number, because the mean of its divisors is an integer number (66105116).

Almost surely, 2^396630668 is an apocalyptic number.

It is an amenable number.

396630668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

396630668 is a wasteful number, since it uses less digits than its factorization.

396630668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165392 (or 14165390 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The square root of 396630668 is about 19915.5885677526. The cubic root of 396630668 is about 734.7316761624.

The spelling of 396630668 in words is "three hundred ninety-six million, six hundred thirty thousand, six hundred sixty-eight".