3888631 has 8 divisors (see below), whose sum is σ = 4188240. Its totient is φ = 3596928.

The previous prime is 3888629. The next prime is 3888653. The reversal of 3888631 is 1368883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3888631 - 2¹ = 3888629 is a prime.

It is a super-2 number, since 2×3888631² = 30242902108322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (523530).

Almost surely, 2^3888631 is an apocalyptic number.

3888631 is a deficient number, since it is larger than the sum of its proper divisors (299609).

3888631 is a wasteful number, since it uses less digits than its factorization.

3888631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

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

The square root of 3888631 is about 1971.9612065150. The cubic root of 3888631 is about 157.2529898170.

The spelling of 3888631 in words is "three million, eight hundred eighty-eight thousand, six hundred thirty-one".