6857380 has 12 divisors (see below), whose sum is σ = 14400540. Its totient is φ = 2742944.

The previous prime is 6857359. The next prime is 6857387. The reversal of 6857380 is 837586.

6857380 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2768896 + 4088484 = 1664^2 + 2022^2 .

It is not an unprimeable number, because it can be changed into a prime (6857387) 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, 171415 + ... + 171454.

It is an arithmetic number, because the mean of its divisors is an integer number (1200045).

Almost surely, 2^6857380 is an apocalyptic number.

It is an amenable number.

6857380 is an abundant number, since it is smaller than the sum of its proper divisors (7543160).

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

6857380 is a wasteful number, since it uses less digits than its factorization.

6857380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342878 (or 342876 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 6857380 is about 2618.6599626527. The cubic root of 6857380 is about 189.9850403734.

The spelling of 6857380 in words is "six million, eight hundred fifty-seven thousand, three hundred eighty".