3886872 has 32 divisors (see below), whose sum is σ = 10601280. Its totient is φ = 1177760.

The previous prime is 3886867. The next prime is 3886889. The reversal of 3886872 is 2786883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (331290).

Almost surely, 2^3886872 is an apocalyptic number.

It is an amenable number.

3886872 is an abundant number, since it is smaller than the sum of its proper divisors (6714408).

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

3886872 is a wasteful number, since it uses less digits than its factorization.

3886872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14743 (or 14739 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 3886872 is about 1971.5151533782. The cubic root of 3886872 is about 157.2292754106.

It can be divided in two parts, 388 and 6872, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 3886872 in words is "three million, eight hundred eighty-six thousand, eight hundred seventy-two".