6857345 has 8 divisors (see below), whose sum is σ = 8976960. Its totient is φ = 4987120.

The previous prime is 6857329. The next prime is 6857353. The reversal of 6857345 is 5437586.

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

It is not a de Polignac number, because 6857345 - 2⁴ = 6857329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6857299 and 6857308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62285 + ... + 62394.

It is an arithmetic number, because the mean of its divisors is an integer number (1122120).

Almost surely, 2^6857345 is an apocalyptic number.

It is an amenable number.

6857345 is a deficient number, since it is larger than the sum of its proper divisors (2119615).

6857345 is a wasteful number, since it uses less digits than its factorization.

6857345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124695.

The product of its digits is 100800, while the sum is 38.

The square root of 6857345 is about 2618.6532798368. The cubic root of 6857345 is about 189.9847171456.

The spelling of 6857345 in words is "six million, eight hundred fifty-seven thousand, three hundred forty-five".