3949590 has 32 divisors (see below), whose sum is σ = 9546336. Its totient is φ = 1045760.

The previous prime is 3949579. The next prime is 3949609. The reversal of 3949590 is 959493.

It is a happy number.

It is a super-2 number, since 2×3949590² = 31198522336200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4810 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (298323).

Almost surely, 2^3949590 is an apocalyptic number.

3949590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3949590 is an abundant number, since it is smaller than the sum of its proper divisors (5596746).

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

3949590 is a wasteful number, since it uses less digits than its factorization.

3949590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

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

The square root of 3949590 is about 1987.3575420643. The cubic root of 3949590 is about 158.0704434056.

The spelling of 3949590 in words is "three million, nine hundred forty-nine thousand, five hundred ninety".