3138862 has 4 divisors (see below), whose sum is σ = 4708296. Its totient is φ = 1569430.

The previous prime is 3138853. The next prime is 3138869. The reversal of 3138862 is 2688313.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784714 + ... + 784717.

It is an arithmetic number, because the mean of its divisors is an integer number (1177074).

Almost surely, 2^3138862 is an apocalyptic number.

3138862 is a deficient number, since it is larger than the sum of its proper divisors (1569434).

3138862 is a wasteful number, since it uses less digits than its factorization.

3138862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569433.

The product of its digits is 6912, while the sum is 31.

The square root of 3138862 is about 1771.6833802912. The cubic root of 3138862 is about 146.4167426381.

The spelling of 3138862 in words is "three million, one hundred thirty-eight thousand, eight hundred sixty-two".