3876691 has 24 divisors (see below), whose sum is σ = 5006880. Its totient is φ = 2935296.

The previous prime is 3876679. The next prime is 3876707. The reversal of 3876691 is 1966783.

It is not a de Polignac number, because 3876691 - 2⁵ = 3876659 is a prime.

It is a Duffinian number.

Its product of digits (54432) is a multiple of the sum of its prime divisors (162).

It is not an unprimeable number, because it can be changed into a prime (3876641) 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 23 ways as a sum of consecutive naturals, for example, 34251 + ... + 34363.

It is an arithmetic number, because the mean of its divisors is an integer number (208620).

Almost surely, 2^3876691 is an apocalyptic number.

3876691 is a deficient number, since it is larger than the sum of its proper divisors (1130189).

3876691 is a wasteful number, since it uses less digits than its factorization.

3876691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 3876691 is about 1968.9314360841. The cubic root of 3876691 is about 157.0918769300.

It can be divided in two parts, 38 and 76691, that added together give a square (76729 = 277²).

The spelling of 3876691 in words is "three million, eight hundred seventy-six thousand, six hundred ninety-one".