3179689 has 2 divisors, whose sum is σ = 3179690. Its totient is φ = 3179688.

The previous prime is 3179653. The next prime is 3179717. The reversal of 3179689 is 9869713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 176400 = 1733^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 3179689 - 2¹¹ = 3177641 is a prime.

It is a super-2 number, since 2×3179689² = 20220844273442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3179389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1589844 + 1589845.

It is an arithmetic number, because the mean of its divisors is an integer number (1589845).

Almost surely, 2^3179689 is an apocalyptic number.

It is an amenable number.

3179689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3179689 is an equidigital number, since it uses as much as digits as its factorization.

3179689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 43.

The square root of 3179689 is about 1783.1682478106. The cubic root of 3179689 is about 147.0488214593.

The spelling of 3179689 in words is "three million, one hundred seventy-nine thousand, six hundred eighty-nine".