6412857 has 16 divisors (see below), whose sum is σ = 9650880. Its totient is φ = 3752000.

The previous prime is 6412807. The next prime is 6412871. The reversal of 6412857 is 7582146.

It is a cyclic number.

It is not a de Polignac number, because 6412857 - 2¹⁶ = 6347321 is a prime.

It is a super-2 number, since 2×6412857² = 82249469804898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6412807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (603180).

Almost surely, 2^6412857 is an apocalyptic number.

It is an amenable number.

6412857 is a deficient number, since it is larger than the sum of its proper divisors (3238023).

6412857 is a wasteful number, since it uses less digits than its factorization.

6412857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744.

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

The square root of 6412857 is about 2532.3619409555. The cubic root of 6412857 is about 185.7877970745.

It can be divided in two parts, 64 and 12857, that added together give a palindrome (12921).

The spelling of 6412857 in words is "six million, four hundred twelve thousand, eight hundred fifty-seven".