3990133 has 12 divisors (see below), whose sum is σ = 4815840. Its totient is φ = 3238056.

The previous prime is 3990127. The next prime is 3990157. The reversal of 3990133 is 3310993.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3990133 is a prime.

It is a super-2 number, since 2×3990133² = 31842322715378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990113) by changing a digit.

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, 1738 + ... + 3316.

It is an arithmetic number, because the mean of its divisors is an integer number (401320).

Almost surely, 2^3990133 is an apocalyptic number.

It is an amenable number.

3990133 is a deficient number, since it is larger than the sum of its proper divisors (825707).

3990133 is a wasteful number, since it uses less digits than its factorization.

3990133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 3990133 is about 1997.5317269070. The cubic root of 3990133 is about 158.6094736746.

The spelling of 3990133 in words is "three million, nine hundred ninety thousand, one hundred thirty-three".