3138836 has 12 divisors (see below), whose sum is σ = 5520480. Its totient is φ = 1561560.

The previous prime is 3138809. The next prime is 3138847. The reversal of 3138836 is 6388313.

It is a happy number.

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, 1016 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (460040).

Almost surely, 2^3138836 is an apocalyptic number.

It is an amenable number.

3138836 is a deficient number, since it is larger than the sum of its proper divisors (2381644).

3138836 is a wasteful number, since it uses less digits than its factorization.

3138836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934 (or 3932 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 3138836 is about 1771.6760426218. The cubic root of 3138836 is about 146.4163383679.

The spelling of 3138836 in words is "three million, one hundred thirty-eight thousand, eight hundred thirty-six".