6356985 has 32 divisors (see below), whose sum is σ = 10616832. Its totient is φ = 3245760.

The previous prime is 6356983. The next prime is 6357011. The reversal of 6356985 is 5896536.

It is not a de Polignac number, because 6356985 - 2¹ = 6356983 is a prime.

It is a super-2 number, since 2×6356985² = 80822516580450, which contains 22 as substring.

6356985 is a modest number, since divided by 6985 gives 635 as remainder.

6356985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6356981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49992 + ... + 50118.

It is an arithmetic number, because the mean of its divisors is an integer number (331776).

Almost surely, 2^6356985 is an apocalyptic number.

It is an amenable number.

6356985 is a deficient number, since it is larger than the sum of its proper divisors (4259847).

6356985 is a wasteful number, since it uses less digits than its factorization.

6356985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its digits is 194400, while the sum is 42.

The square root of 6356985 is about 2521.3062090908. The cubic root of 6356985 is about 185.2466639112.

The spelling of 6356985 in words is "six million, three hundred fifty-six thousand, nine hundred eighty-five".