6479998 has 16 divisors (see below), whose sum is σ = 11157984. Its totient is φ = 2764800.

The previous prime is 6479989. The next prime is 6479999. The reversal of 6479998 is 8999746.

It is a d-powerful number, because it can be written as 6⁸ + 4 + 7⁵ + 9 + 9² + 9⁷ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479999) 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, 2698 + ... + 4498.

It is an arithmetic number, because the mean of its divisors is an integer number (697374).

Almost surely, 2^6479998 is an apocalyptic number.

6479998 is a deficient number, since it is larger than the sum of its proper divisors (4677986).

6479998 is a wasteful number, since it uses less digits than its factorization.

6479998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 979776, while the sum is 52.

The square root of 6479998 is about 2545.5840194344. The cubic root of 6479998 is about 186.4339311768.

The spelling of 6479998 in words is "six million, four hundred seventy-nine thousand, nine hundred ninety-eight".