3157402 has 4 divisors (see below), whose sum is σ = 4736106. Its totient is φ = 1578700.

The previous prime is 3157397. The next prime is 3157411. The reversal of 3157402 is 2047513.

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

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 904401 = 1501^2 + 951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789349 + ... + 789352.

Almost surely, 2^3157402 is an apocalyptic number.

3157402 is a deficient number, since it is larger than the sum of its proper divisors (1578704).

3157402 is a wasteful number, since it uses less digits than its factorization.

3157402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578703.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3157402 is about 1776.9079886139. The cubic root of 3157402 is about 146.7044519267.

The spelling of 3157402 in words is "three million, one hundred fifty-seven thousand, four hundred two".