31668084 has 60 divisors (see below), whose sum is σ = 94620064. Its totient is φ = 9047376.

The previous prime is 31668053. The next prime is 31668107. The reversal of 31668084 is 48086613.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4714 + ... + 9249.

Almost surely, 2^31668084 is an apocalyptic number.

It is an amenable number.

31668084 is an abundant number, since it is smaller than the sum of its proper divisors (62951980).

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

31668084 is a wasteful number, since it uses less digits than its factorization.

31668084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986 (or 13975 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 31668084 is about 5627.4402706737. The cubic root of 31668084 is about 316.3787186086.

The spelling of 31668084 in words is "thirty-one million, six hundred sixty-eight thousand, eighty-four".