6857344 has 48 divisors (see below), whose sum is σ = 14839470. Its totient is φ = 3154944.

The previous prime is 6857329. The next prime is 6857353. The reversal of 6857344 is 4437586.

It can be written as a sum of positive squares in 3 ways, for example, as 1658944 + 5198400 = 1288^2 + 2280^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21474 + ... + 21790.

Almost surely, 2^6857344 is an apocalyptic number.

6857344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6857344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7419735).

6857344 is an abundant number, since it is smaller than the sum of its proper divisors (7982126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6857344 is a wasteful number, since it uses less digits than its factorization.

6857344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 332 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 6857344 is about 2618.6530888989. The cubic root of 6857344 is about 189.9847079105.

The spelling of 6857344 in words is "six million, eight hundred fifty-seven thousand, three hundred forty-four".