6498855 has 48 divisors (see below), whose sum is σ = 12954240. Its totient is φ = 2980800.

The previous prime is 6498853. The next prime is 6498901. The reversal of 6498855 is 5588946.

It is not a de Polignac number, because 6498855 - 2¹ = 6498853 is a prime.

It is a super-2 number, since 2×6498855² = 84470232622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6498855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6498853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9060 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (269880).

Almost surely, 2^6498855 is an apocalyptic number.

6498855 is a deficient number, since it is larger than the sum of its proper divisors (6455385).

6498855 is a wasteful number, since it uses less digits than its factorization.

6498855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 729 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 6498855 is about 2549.2851939318. The cubic root of 6498855 is about 186.6145989274.

Subtracting from 6498855 its reverse (5588946), we obtain a palindrome (909909).

The spelling of 6498855 in words is "six million, four hundred ninety-eight thousand, eight hundred fifty-five".