6498657 has 16 divisors (see below), whose sum is σ = 10503360. Its totient is φ = 3938400.

The previous prime is 6498629. The next prime is 6498659. The reversal of 6498657 is 7568946.

It is not a de Polignac number, because 6498657 - 2¹⁹ = 5974369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6498659) 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, 10644 + ... + 11237.

It is an arithmetic number, because the mean of its divisors is an integer number (656460).

Almost surely, 2^6498657 is an apocalyptic number.

It is an amenable number.

6498657 is a deficient number, since it is larger than the sum of its proper divisors (4004703).

6498657 is a wasteful number, since it uses less digits than its factorization.

6498657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21901 (or 21895 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6498657 is about 2549.2463592207. The cubic root of 6498657 is about 186.6127037184.

The spelling of 6498657 in words is "six million, four hundred ninety-eight thousand, six hundred fifty-seven".