3886831 has 12 divisors (see below), whose sum is σ = 4267560. Its totient is φ = 3538080.

The previous prime is 3886823. The next prime is 3886837. The reversal of 3886831 is 1386883.

It is not a de Polignac number, because 3886831 - 2³ = 3886823 is a prime.

It is a super-2 number, since 2×3886831² = 30214910445122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18316 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (355630).

Almost surely, 2^3886831 is an apocalyptic number.

3886831 is a deficient number, since it is larger than the sum of its proper divisors (380729).

3886831 is a wasteful number, since it uses less digits than its factorization.

3886831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 333 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 3886831 is about 1971.5047552568. The cubic root of 3886831 is about 157.2287225734.

The spelling of 3886831 in words is "three million, eight hundred eighty-six thousand, eight hundred thirty-one".