3157946 has 24 divisors (see below), whose sum is σ = 5461344. Its totient is φ = 1355640.

The previous prime is 3157927. The next prime is 3157949. The reversal of 3157946 is 6497513.

It is not an unprimeable number, because it can be changed into a prime (3157949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39935 + ... + 40013.

It is an arithmetic number, because the mean of its divisors is an integer number (227556).

Almost surely, 2^3157946 is an apocalyptic number.

3157946 is a deficient number, since it is larger than the sum of its proper divisors (2303398).

3157946 is a wasteful number, since it uses less digits than its factorization.

3157946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 115 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 3157946 is about 1777.0610569139. The cubic root of 3157946 is about 146.7128768532.

The spelling of 3157946 in words is "three million, one hundred fifty-seven thousand, nine hundred forty-six".