3990159 has 12 divisors (see below), whose sum is σ = 5886816. Its totient is φ = 2603232.

The previous prime is 3990157. The next prime is 3990169. The reversal of 3990159 is 9510993.

It is not a de Polignac number, because 3990159 - 2¹ = 3990157 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990157) 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, 4294 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (490568).

Almost surely, 2^3990159 is an apocalyptic number.

3990159 is a deficient number, since it is larger than the sum of its proper divisors (1896657).

3990159 is a wasteful number, since it uses less digits than its factorization.

3990159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486 (or 9483 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 3990159 is about 1997.5382349282. The cubic root of 3990159 is about 158.6098181775.

The spelling of 3990159 in words is "three million, nine hundred ninety thousand, one hundred fifty-nine".