6479985 has 16 divisors (see below), whose sum is σ = 10462464. Its totient is φ = 3424512.

The previous prime is 6479959. The next prime is 6479989. The reversal of 6479985 is 5899746.

It is not a de Polignac number, because 6479985 - 2⁵ = 6479953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6479989) 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, 217 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (653904).

Almost surely, 2^6479985 is an apocalyptic number.

It is an amenable number.

6479985 is a deficient number, since it is larger than the sum of its proper divisors (3982479).

6479985 is a wasteful number, since it uses less digits than its factorization.

6479985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944.

The product of its digits is 544320, while the sum is 48.

The square root of 6479985 is about 2545.5814659916. The cubic root of 6479985 is about 186.4338065038.

The spelling of 6479985 in words is "six million, four hundred seventy-nine thousand, nine hundred eighty-five".