3887886 has 32 divisors (see below), whose sum is σ = 8120448. Its totient is φ = 1239840.

The previous prime is 3887881. The next prime is 3887893. The reversal of 3887886 is 6887883.

Its product of digits (516096) is a multiple of the sum of its prime divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18321 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (253764).

Almost surely, 2^3887886 is an apocalyptic number.

3887886 is an abundant number, since it is smaller than the sum of its proper divisors (4232562).

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

3887886 is a wasteful number, since it uses less digits than its factorization.

3887886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

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

The square root of 3887886 is about 1971.7722992273. The cubic root of 3887886 is about 157.2429467830.

The spelling of 3887886 in words is "three million, eight hundred eighty-seven thousand, eight hundred eighty-six".