6500980 has 24 divisors (see below), whose sum is σ = 13911912. Its totient is φ = 2550912.

The previous prime is 6500971. The next prime is 6500981. The reversal of 6500980 is 890056.

It can be written as a sum of positive squares in 4 ways, for example, as 2951524 + 3549456 = 1718^2 + 1884^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500981) 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 7 ways as a sum of consecutive naturals, for example, 2007 + ... + 4126.

It is an arithmetic number, because the mean of its divisors is an integer number (579663).

Almost surely, 2^6500980 is an apocalyptic number.

It is an amenable number.

6500980 is an abundant number, since it is smaller than the sum of its proper divisors (7410932).

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

6500980 is a wasteful number, since it uses less digits than its factorization.

6500980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195 (or 6193 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 6500980 is about 2549.7019433651. The cubic root of 6500980 is about 186.6349365001.

The spelling of 6500980 in words is "six million, five hundred thousand, nine hundred eighty".