3878886 has 16 divisors (see below), whose sum is σ = 8463168. Its totient is φ = 1175400.

The previous prime is 3878879. The next prime is 3878893. The reversal of 3878886 is 6888783.

It is an interprime number because it is at equal distance from previous prime (3878879) and next prime (3878893).

It is an Ulam number.

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, 29320 + ... + 29451.

It is an arithmetic number, because the mean of its divisors is an integer number (528948).

Almost surely, 2^3878886 is an apocalyptic number.

3878886 is an abundant number, since it is smaller than the sum of its proper divisors (4584282).

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

3878886 is a wasteful number, since it uses less digits than its factorization.

3878886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58787.

The product of its digits is 516096, while the sum is 48.

The square root of 3878886 is about 1969.4887661523. The cubic root of 3878886 is about 157.1215200467.

The spelling of 3878886 in words is "three million, eight hundred seventy-eight thousand, eight hundred eighty-six".