3189913 has 6 divisors (see below), whose sum is σ = 3304574. Its totient is φ = 3079104.

The previous prime is 3189899. The next prime is 3189943. The reversal of 3189913 is 3199813.

It can be written as a sum of positive squares in 3 ways, for example, as 186624 + 3003289 = 432^2 + 1733^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3189913 is a prime.

It is a Duffinian number.

3189913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3189943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056 + ... + 2737.

Almost surely, 2^3189913 is an apocalyptic number.

It is an amenable number.

3189913 is a deficient number, since it is larger than the sum of its proper divisors (114661).

3189913 is an equidigital number, since it uses as much as digits as its factorization.

3189913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3822 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 3189913 is about 1786.0327544589. The cubic root of 3189913 is about 147.2062601947.

The spelling of 3189913 in words is "three million, one hundred eighty-nine thousand, nine hundred thirteen".