6857450 has 48 divisors (see below), whose sum is σ = 13659840. Its totient is φ = 2555520.

The previous prime is 6857449. The next prime is 6857453. The reversal of 6857450 is 547586.

It is a self number, because there is not a number n which added to its sum of digits gives 6857450.

It is not an unprimeable number, because it can be changed into a prime (6857453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77006 + ... + 77094.

It is an arithmetic number, because the mean of its divisors is an integer number (284580).

Almost surely, 2^6857450 is an apocalyptic number.

6857450 is a deficient number, since it is larger than the sum of its proper divisors (6802390).

6857450 is a wasteful number, since it uses less digits than its factorization.

6857450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 6857450 is about 2618.6733282332. The cubic root of 6857450 is about 189.9856868258.

The spelling of 6857450 in words is "six million, eight hundred fifty-seven thousand, four hundred fifty".