3189439 has 12 divisors (see below), whose sum is σ = 3593128. Its totient is φ = 2827440.

The previous prime is 3189427. The next prime is 3189451. The reversal of 3189439 is 9349813.

It is an interprime number because it is at equal distance from previous prime (3189427) and next prime (3189451).

It is a de Polignac number, because none of the positive numbers 2^k-3189439 is a prime.

It is a super-3 number, since 3×3189439³ = 97333906906210234557, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3189398 and 3189407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4897 + ... + 5509.

Almost surely, 2^3189439 is an apocalyptic number.

3189439 is a deficient number, since it is larger than the sum of its proper divisors (403689).

3189439 is a wasteful number, since it uses less digits than its factorization.

3189439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 667 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 3189439 is about 1785.9000531945. The cubic root of 3189439 is about 147.1989685409.

The spelling of 3189439 in words is "three million, one hundred eighty-nine thousand, four hundred thirty-nine".