3990051 has 24 divisors (see below), whose sum is σ = 6311760. Its totient is φ = 2414016.

The previous prime is 3990047. The next prime is 3990061. The reversal of 3990051 is 1500993.

3990051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3990051 - 2² = 3990047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3989997 and 3990024.

It is not an unprimeable number, because it can be changed into a prime (3990001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7585 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (262990).

Almost surely, 2^3990051 is an apocalyptic number.

3990051 is a deficient number, since it is larger than the sum of its proper divisors (2321709).

3990051 is a wasteful number, since it uses less digits than its factorization.

3990051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 3990051 is about 1997.5112014705. The cubic root of 3990051 is about 158.6083871556.

The spelling of 3990051 in words is "three million, nine hundred ninety thousand, fifty-one".