6893439 has 16 divisors (see below), whose sum is σ = 10844160. Its totient is φ = 3811680.

The previous prime is 6893437. The next prime is 6893441. The reversal of 6893439 is 9343986.

It is an interprime number because it is at equal distance from previous prime (6893437) and next prime (6893441).

It is not a de Polignac number, because 6893439 - 2¹ = 6893437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6893439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6893431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4644 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (677760).

Almost surely, 2^6893439 is an apocalyptic number.

6893439 is a deficient number, since it is larger than the sum of its proper divisors (3950721).

6893439 is a wasteful number, since it uses less digits than its factorization.

6893439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630.

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

The square root of 6893439 is about 2625.5359452881. The cubic root of 6893439 is about 190.3174655670.

The spelling of 6893439 in words is "six million, eight hundred ninety-three thousand, four hundred thirty-nine".