3138988 has 12 divisors (see below), whose sum is σ = 5530672. Its totient is φ = 1558800.

The previous prime is 3138953. The next prime is 3138991. The reversal of 3138988 is 8898313.

3138988 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3138988.

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, 1995 + ... + 3202.

Almost surely, 2^3138988 is an apocalyptic number.

It is an amenable number.

3138988 is a deficient number, since it is larger than the sum of its proper divisors (2391684).

3138988 is a wasteful number, since it uses less digits than its factorization.

3138988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 5350 counting only the distinct ones).

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

The square root of 3138988 is about 1771.7189393355. The cubic root of 3138988 is about 146.4187017625.

The spelling of 3138988 in words is "three million, one hundred thirty-eight thousand, nine hundred eighty-eight".