3886870 has 32 divisors (see below), whose sum is σ = 7801920. Its totient is φ = 1384320.

The previous prime is 3886867. The next prime is 3886889. The reversal of 3886870 is 786883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (243810).

Almost surely, 2^3886870 is an apocalyptic number.

3886870 is an abundant number, since it is smaller than the sum of its proper divisors (3915050).

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

3886870 is a wasteful number, since it uses less digits than its factorization.

3886870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 3886870 is about 1971.5146461541. The cubic root of 3886870 is about 157.2292484430.

The spelling of 3886870 in words is "three million, eight hundred eighty-six thousand, eight hundred seventy".