6844431 has 16 divisors (see below), whose sum is σ = 9999360. Its totient is φ = 4129920.

The previous prime is 6844403. The next prime is 6844433. The reversal of 6844431 is 1344486.

It is not a de Polignac number, because 6844431 - 2⁷ = 6844303 is a prime.

It is a super-2 number, since 2×6844431² = 93692471427522, which contains 22 as substring.

6844431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6844433) 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, 14050 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^6844431 is an apocalyptic number.

6844431 is a deficient number, since it is larger than the sum of its proper divisors (3154929).

6844431 is a wasteful number, since it uses less digits than its factorization.

6844431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 9216, while the sum is 30.

The square root of 6844431 is about 2616.1863465740. The cubic root of 6844431 is about 189.8653801719.

Subtracting from 6844431 its reverse (1344486), we obtain a palindrome (5499945).

It can be divided in two parts, 684 and 4431, that added together give a palindrome (5115).

The spelling of 6844431 in words is "six million, eight hundred forty-four thousand, four hundred thirty-one".