3138992 has 10 divisors (see below), whose sum is σ = 6081828. Its totient is φ = 1569488.

The previous prime is 3138991. The next prime is 3138997. The reversal of 3138992 is 2998313.

3138992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3138991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98078 + ... + 98109.

Almost surely, 2^3138992 is an apocalyptic number.

It is an amenable number.

3138992 is a deficient number, since it is larger than the sum of its proper divisors (2942836).

3138992 is a wasteful number, since it uses less digits than its factorization.

3138992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196195 (or 196189 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 3138992 is about 1771.7200681823. The cubic root of 3138992 is about 146.4187639560.

The spelling of 3138992 in words is "three million, one hundred thirty-eight thousand, nine hundred ninety-two".