3990339 has 24 divisors (see below), whose sum is σ = 6188832. Its totient is φ = 2471040.

The previous prime is 3990331. The next prime is 3990353. The reversal of 3990339 is 9330993.

It is not a de Polignac number, because 3990339 - 2³ = 3990331 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3990331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7399 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (257868).

Almost surely, 2^3990339 is an apocalyptic number.

3990339 is a deficient number, since it is larger than the sum of its proper divisors (2198493).

3990339 is a wasteful number, since it uses less digits than its factorization.

3990339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The square root of 3990339 is about 1997.5832898780. The cubic root of 3990339 is about 158.6122031567.

The spelling of 3990339 in words is "three million, nine hundred ninety thousand, three hundred thirty-nine".