3873864 has 16 divisors (see below), whose sum is σ = 9684720. Its totient is φ = 1291280.

The previous prime is 3873847. The next prime is 3873871. The reversal of 3873864 is 4683783.

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, 80682 + ... + 80729.

It is an arithmetic number, because the mean of its divisors is an integer number (605295).

Almost surely, 2^3873864 is an apocalyptic number.

It is an amenable number.

3873864 is an abundant number, since it is smaller than the sum of its proper divisors (5810856).

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

3873864 is a wasteful number, since it uses less digits than its factorization.

3873864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161420 (or 161416 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 3873864 is about 1968.2134030638. The cubic root of 3873864 is about 157.0536822660.

The spelling of 3873864 in words is "three million, eight hundred seventy-three thousand, eight hundred sixty-four".