930631668 has 12 divisors (see below), whose sum is σ = 2171473920. Its totient is φ = 310210552.

The previous prime is 930631661. The next prime is 930631679. The reversal of 930631668 is 866136039.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930631661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38776308 + ... + 38776331.

It is an arithmetic number, because the mean of its divisors is an integer number (180956160).

Almost surely, 2^930631668 is an apocalyptic number.

It is an amenable number.

930631668 is an abundant number, since it is smaller than the sum of its proper divisors (1240842252).

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

930631668 is a wasteful number, since it uses less digits than its factorization.

930631668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77552646 (or 77552644 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 930631668 is about 30506.2562108168. The cubic root of 930631668 is about 976.3209508936.

The spelling of 930631668 in words is "nine hundred thirty million, six hundred thirty-one thousand, six hundred sixty-eight".