6490520 has 16 divisors (see below), whose sum is σ = 14603760. Its totient is φ = 2596192.

The previous prime is 6490511. The next prime is 6490543. The reversal of 6490520 is 250946.

It is a self number, because there is not a number n which added to its sum of digits gives 6490520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81092 + ... + 81171.

It is an arithmetic number, because the mean of its divisors is an integer number (912735).

Almost surely, 2^6490520 is an apocalyptic number.

It is an amenable number.

6490520 is an abundant number, since it is smaller than the sum of its proper divisors (8113240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6490520 is a wasteful number, since it uses less digits than its factorization.

6490520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162274 (or 162270 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6490520 is about 2547.6498974545. The cubic root of 6490520 is about 186.5347849642.

The spelling of 6490520 in words is "six million, four hundred ninety thousand, five hundred twenty".