6857494 has 16 divisors (see below), whose sum is σ = 12447648. Its totient is φ = 2765952.

The previous prime is 6857489. The next prime is 6857497. The reversal of 6857494 is 4947586.

It is a self number, because there is not a number n which added to its sum of digits gives 6857494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14169 + ... + 14644.

It is an arithmetic number, because the mean of its divisors is an integer number (777978).

Almost surely, 2^6857494 is an apocalyptic number.

6857494 is a deficient number, since it is larger than the sum of its proper divisors (5590154).

6857494 is a wasteful number, since it uses less digits than its factorization.

6857494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28839.

The product of its digits is 241920, while the sum is 43.

The square root of 6857494 is about 2618.6817294204. The cubic root of 6857494 is about 189.9860931650.

The spelling of 6857494 in words is "six million, eight hundred fifty-seven thousand, four hundred ninety-four".