3831988 has 12 divisors (see below), whose sum is σ = 6862240. Its totient is φ = 1871352.

The previous prime is 3831937. The next prime is 3832001. The reversal of 3831988 is 8891383.

It is a self number, because there is not a number n which added to its sum of digits gives 3831988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10968 + ... + 11311.

Almost surely, 2^3831988 is an apocalyptic number.

It is an amenable number.

3831988 is a deficient number, since it is larger than the sum of its proper divisors (3030252).

3831988 is a wasteful number, since it uses less digits than its factorization.

3831988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22326 (or 22324 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 3831988 is about 1957.5464234597. The cubic root of 3831988 is about 156.4857203710.

The spelling of 3831988 in words is "three million, eight hundred thirty-one thousand, nine hundred eighty-eight".