3864091 has 24 divisors (see below), whose sum is σ = 5023296. Its totient is φ = 2938320.

The previous prime is 3864089. The next prime is 3864097. The reversal of 3864091 is 1904683.

It is not a de Polignac number, because 3864091 - 2¹ = 3864089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36060 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (209304).

Almost surely, 2^3864091 is an apocalyptic number.

3864091 is a deficient number, since it is larger than the sum of its proper divisors (1159205).

3864091 is a wasteful number, since it uses less digits than its factorization.

3864091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3864091 is about 1965.7291268127. The cubic root of 3864091 is about 156.9214991548.

The spelling of 3864091 in words is "three million, eight hundred sixty-four thousand, ninety-one".