3990594 has 16 divisors (see below), whose sum is σ = 8045568. Its totient is φ = 1319472.

The previous prime is 3990593. The next prime is 3990601. The reversal of 3990594 is 4950993.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3990593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (502848).

Almost surely, 2^3990594 is an apocalyptic number.

3990594 is an abundant number, since it is smaller than the sum of its proper divisors (4054974).

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

3990594 is a wasteful number, since it uses less digits than its factorization.

3990594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 3990594 is about 1997.6471159842. The cubic root of 3990594 is about 158.6155817543.

The spelling of 3990594 in words is "three million, nine hundred ninety thousand, five hundred ninety-four".