3867956 has 12 divisors (see below), whose sum is σ = 7063392. Its totient is φ = 1849848.

The previous prime is 3867947. The next prime is 3867961. The reversal of 3867956 is 6597683.

It is a super-2 number, since 2×3867956² = 29922167235872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20930 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (588616).

Almost surely, 2^3867956 is an apocalyptic number.

It is an amenable number.

3867956 is a deficient number, since it is larger than the sum of its proper divisors (3195436).

3867956 is a wasteful number, since it uses less digits than its factorization.

3867956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42070 (or 42068 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 3867956 is about 1966.7119768792. The cubic root of 3867956 is about 156.9738011919.

The spelling of 3867956 in words is "three million, eight hundred sixty-seven thousand, nine hundred fifty-six".