2039664 has 40 divisors (see below), whose sum is σ = 5749632. Its totient is φ = 617920.

The previous prime is 2039651. The next prime is 2039671. The reversal of 2039664 is 4669302.

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 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 2459.

2^2039664 is an apocalyptic number.

2039664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2039664 is an abundant number, since it is smaller than the sum of its proper divisors (3709968).

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

2039664 is a wasteful number, since it uses less digits than its factorization.

2039664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2039664 is about 1428.1680573378. The cubic root of 2039664 is about 126.8195507011.

The spelling of 2039664 in words is "two million, thirty-nine thousand, six hundred sixty-four".