8631668 has 12 divisors (see below), whose sum is σ = 15288000. Its totient is φ = 4263672.

The previous prime is 8631659. The next prime is 8631673. The reversal of 8631668 is 8661368.

8631668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12668 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (1274000).

Almost surely, 2^8631668 is an apocalyptic number.

It is an amenable number.

8631668 is a deficient number, since it is larger than the sum of its proper divisors (6656332).

8631668 is a wasteful number, since it uses less digits than its factorization.

8631668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086 (or 26084 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 8631668 is about 2937.9700474988. The cubic root of 8631668 is about 205.1311316479.

The spelling of 8631668 in words is "eight million, six hundred thirty-one thousand, six hundred sixty-eight".