3990597 has 24 divisors (see below), whose sum is σ = 6113664. Its totient is φ = 2306304.

The previous prime is 3990593. The next prime is 3990601. The reversal of 3990597 is 7950993.

It is a happy number.

3990597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3990593) and next prime (3990601).

It is not a de Polignac number, because 3990597 - 2² = 3990593 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990593) 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, 8388 + ... + 8850.

It is an arithmetic number, because the mean of its divisors is an integer number (254736).

Almost surely, 2^3990597 is an apocalyptic number.

It is an amenable number.

3990597 is a deficient number, since it is larger than the sum of its proper divisors (2123067).

3990597 is a wasteful number, since it uses less digits than its factorization.

3990597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 76545, while the sum is 42.

The square root of 3990597 is about 1997.6478668674. The cubic root of 3990597 is about 158.6156215017.

The spelling of 3990597 in words is "three million, nine hundred ninety thousand, five hundred ninety-seven".