6865438 has 8 divisors (see below), whose sum is σ = 10326888. Its totient is φ = 3423144.

The previous prime is 6865393. The next prime is 6865451. The reversal of 6865438 is 8345686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6865438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (1290861).

Almost surely, 2^6865438 is an apocalyptic number.

6865438 is a deficient number, since it is larger than the sum of its proper divisors (3461450).

6865438 is a wasteful number, since it uses less digits than its factorization.

6865438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578.

The product of its digits is 138240, while the sum is 40.

The square root of 6865438 is about 2620.1980841150. The cubic root of 6865438 is about 190.0594273940.

The spelling of 6865438 in words is "six million, eight hundred sixty-five thousand, four hundred thirty-eight".