3861672 has 16 divisors (see below), whose sum is σ = 9654240. Its totient is φ = 1287216.

The previous prime is 3861659. The next prime is 3861709. The reversal of 3861672 is 2761683.

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, 80428 + ... + 80475.

It is an arithmetic number, because the mean of its divisors is an integer number (603390).

Almost surely, 2^3861672 is an apocalyptic number.

It is an amenable number.

3861672 is an abundant number, since it is smaller than the sum of its proper divisors (5792568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861672 is a wasteful number, since it uses less digits than its factorization.

3861672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160912 (or 160908 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 3861672 is about 1965.1137371664. The cubic root of 3861672 is about 156.8887469633. Note that the first 3 decimals are identical.

The spelling of 3861672 in words is "three million, eight hundred sixty-one thousand, six hundred seventy-two".