6857560 has 16 divisors (see below), whose sum is σ = 15429600. Its totient is φ = 2743008.

The previous prime is 6857551. The next prime is 6857567. The reversal of 6857560 is 657586.

It is a super-2 number, since 2×6857560² = 94052258307200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85680 + ... + 85759.

It is an arithmetic number, because the mean of its divisors is an integer number (964350).

Almost surely, 2^6857560 is an apocalyptic number.

It is an amenable number.

6857560 is an abundant number, since it is smaller than the sum of its proper divisors (8572040).

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

6857560 is a wasteful number, since it uses less digits than its factorization.

6857560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171450 (or 171446 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 6857560 is about 2618.6943311505. The cubic root of 6857560 is about 189.9867026705.

It can be divided in two parts, 68575 and 60, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 6857560 in words is "six million, eight hundred fifty-seven thousand, five hundred sixty".