6934389 has 24 divisors (see below), whose sum is σ = 11618880. Its totient is φ = 3600960.

The previous prime is 6934387. The next prime is 6934391. The reversal of 6934389 is 9834396.

It is an interprime number because it is at equal distance from previous prime (6934387) and next prime (6934391).

It is not a de Polignac number, because 6934389 - 2¹ = 6934387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6934389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6934381) 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, 1177 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (484120).

Almost surely, 2^6934389 is an apocalyptic number.

It is an amenable number.

6934389 is a deficient number, since it is larger than the sum of its proper divisors (4684491).

6934389 is a wasteful number, since it uses less digits than its factorization.

6934389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2750 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 6934389 is about 2633.3228058861. The cubic root of 6934389 is about 190.6935777269.

The spelling of 6934389 in words is "six million, nine hundred thirty-four thousand, three hundred eighty-nine".