8039664 has 60 divisors (see below), whose sum is σ = 23238592. Its totient is φ = 2592000.

The previous prime is 8039653. The next prime is 8039671. The reversal of 8039664 is 4669308.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3564 + ... + 5364.

Almost surely, 2^8039664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8039664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11619296).

8039664 is an abundant number, since it is smaller than the sum of its proper divisors (15198928).

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

8039664 is a wasteful number, since it uses less digits than its factorization.

8039664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8039664 is about 2835.4301261008. The cubic root of 8039664 is about 200.3299885716.

The spelling of 8039664 in words is "eight million, thirty-nine thousand, six hundred sixty-four".