3170989 has 4 divisors (see below), whose sum is σ = 3174556. Its totient is φ = 3167424.

The previous prime is 3170983. The next prime is 3171013. The reversal of 3170989 is 9890713.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 2656900 = 717^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 3170989 - 2⁵ = 3170957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3170983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (793639).

Almost surely, 2^3170989 is an apocalyptic number.

It is an amenable number.

3170989 is a deficient number, since it is larger than the sum of its proper divisors (3567).

3170989 is a wasteful number, since it uses less digits than its factorization.

3170989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 3170989 is about 1780.7270986875. The cubic root of 3170989 is about 146.9145847130.

The spelling of 3170989 in words is "three million, one hundred seventy thousand, nine hundred eighty-nine".