6142857 has 8 divisors (see below), whose sum is σ = 9360576. Its totient is φ = 3510192.

The previous prime is 6142841. The next prime is 6142879. The reversal of 6142857 is 7582416.

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

It is not a de Polignac number, because 6142857 - 2⁴ = 6142841 is a prime.

6142857 is a modest number, since divided by 142857 gives 6 as remainder.

It is not an unprimeable number, because it can be changed into a prime (6142837) 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, 146238 + ... + 146279.

It is an arithmetic number, because the mean of its divisors is an integer number (1170072).

Almost surely, 2^6142857 is an apocalyptic number.

It is an amenable number.

6142857 is a deficient number, since it is larger than the sum of its proper divisors (3217719).

6142857 is a wasteful number, since it uses less digits than its factorization.

6142857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292527.

The product of its digits is 13440, while the sum is 33.

The square root of 6142857 is about 2478.4787673087. The cubic root of 6142857 is about 183.1429203925.

The spelling of 6142857 in words is "six million, one hundred forty-two thousand, eight hundred fifty-seven".