3157238 has 16 divisors (see below), whose sum is σ = 5502624. Its totient is φ = 1330560.

The previous prime is 3157229. The next prime is 3157243. The reversal of 3157238 is 8327513.

3157238 is digitally balanced in base 2, 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 3157238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (343914).

Almost surely, 2^3157238 is an apocalyptic number.

3157238 is a deficient number, since it is larger than the sum of its proper divisors (2345386).

3157238 is a wasteful number, since it uses less digits than its factorization.

3157238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767.

The product of its digits is 5040, while the sum is 29.

The square root of 3157238 is about 1776.8618404367. The cubic root of 3157238 is about 146.7019118694.

The spelling of 3157238 in words is "three million, one hundred fifty-seven thousand, two hundred thirty-eight".