6480890 has 16 divisors (see below), whose sum is σ = 12563208. Its totient is φ = 2392896.

The previous prime is 6480869. The next prime is 6480907. The reversal of 6480890 is 980846.

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 3621409 = 1691^2 + 1903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6480890.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24797 + ... + 25056.

Almost surely, 2^6480890 is an apocalyptic number.

6480890 is a deficient number, since it is larger than the sum of its proper divisors (6082318).

6480890 is a wasteful number, since it uses less digits than its factorization.

6480890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49873.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 6480890 is about 2545.7592187793. The cubic root of 6480890 is about 186.4424852657.

The spelling of 6480890 in words is "six million, four hundred eighty thousand, eight hundred ninety".