3876831 has 36 divisors (see below), whose sum is σ = 6669000. Its totient is φ = 2163168.

The previous prime is 3876827. The next prime is 3876869. The reversal of 3876831 is 1386783.

It is not a de Polignac number, because 3876831 - 2² = 3876827 is a prime.

It is a super-2 number, since 2×3876831² = 30059637205122, which contains 22 as substring.

3876831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876881) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25945 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (185250).

Almost surely, 2^3876831 is an apocalyptic number.

3876831 is a deficient number, since it is larger than the sum of its proper divisors (2792169).

3876831 is a wasteful number, since it uses less digits than its factorization.

3876831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 218 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3876831 is about 1968.9669880422. The cubic root of 3876831 is about 157.0937679411.

The spelling of 3876831 in words is "three million, eight hundred seventy-six thousand, eight hundred thirty-one".