3133989 has 6 divisors (see below), whose sum is σ = 4526886. Its totient is φ = 2089320.

The previous prime is 3133987. The next prime is 3134017. The reversal of 3133989 is 9893313.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 1089 = 1770^2 + 33^2 .

It is not a de Polignac number, because 3133989 - 2¹ = 3133987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133987) 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, 174102 + ... + 174119.

It is an arithmetic number, because the mean of its divisors is an integer number (754481).

Almost surely, 2^3133989 is an apocalyptic number.

It is an amenable number.

3133989 is a deficient number, since it is larger than the sum of its proper divisors (1392897).

3133989 is a wasteful number, since it uses less digits than its factorization.

3133989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348227 (or 348224 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3133989 is about 1770.3076003904. The cubic root of 3133989 is about 146.3409340245.

The spelling of 3133989 in words is "three million, one hundred thirty-three thousand, nine hundred eighty-nine".