6857146 has 4 divisors (see below), whose sum is σ = 10285722. Its totient is φ = 3428572.

The previous prime is 6857143. The next prime is 6857161. The reversal of 6857146 is 6417586.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5267025 + 1590121 = 2295^2 + 1261^2 .

It is not an unprimeable number, because it can be changed into a prime (6857141) 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 as a sum of consecutive naturals, namely, 1714285 + ... + 1714288.

Almost surely, 2^6857146 is an apocalyptic number.

6857146 is a deficient number, since it is larger than the sum of its proper divisors (3428576).

6857146 is a wasteful number, since it uses less digits than its factorization.

6857146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428575.

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

The square root of 6857146 is about 2618.6152829310. The cubic root of 6857146 is about 189.9828793438.

The spelling of 6857146 in words is "six million, eight hundred fifty-seven thousand, one hundred forty-six".