3891159 has 24 divisors (see below), whose sum is σ = 5940480. Its totient is φ = 2544696.

The previous prime is 3891157. The next prime is 3891161. The reversal of 3891159 is 9511983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3891157) and next prime (3891161).

It is not a de Polignac number, because 3891159 - 2¹ = 3891157 is a prime.

It is a super-2 number, since 2×3891159² = 30282236726562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16162 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (247520).

Almost surely, 2^3891159 is an apocalyptic number.

3891159 is a deficient number, since it is larger than the sum of its proper divisors (2049321).

3891159 is an equidigital number, since it uses as much as digits as its factorization.

3891159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 309 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 3891159 is about 1972.6020886129. The cubic root of 3891159 is about 157.2870591714.

The spelling of 3891159 in words is "three million, eight hundred ninety-one thousand, one hundred fifty-nine".