3139389 has 24 divisors (see below), whose sum is σ = 5210400. Its totient is φ = 1801440.

The previous prime is 3139379. The next prime is 3139391. The reversal of 3139389 is 9839313.

It is not a de Polignac number, because 3139389 - 2⁷ = 3139261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (217100).

Almost surely, 2^3139389 is an apocalyptic number.

It is an amenable number.

3139389 is a deficient number, since it is larger than the sum of its proper divisors (2071011).

3139389 is a wasteful number, since it uses less digits than its factorization.

3139389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1702 counting only the distinct ones).

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

The square root of 3139389 is about 1771.8321026553. The cubic root of 3139389 is about 146.4249364045.

The spelling of 3139389 in words is "three million, one hundred thirty-nine thousand, three hundred eighty-nine".