6495890 has 32 divisors (see below), whose sum is σ = 12427776. Its totient is φ = 2439360.

The previous prime is 6495889. The next prime is 6495919. The reversal of 6495890 is 985946.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13799 + ... + 14261.

It is an arithmetic number, because the mean of its divisors is an integer number (388368).

Almost surely, 2^6495890 is an apocalyptic number.

6495890 is a deficient number, since it is larger than the sum of its proper divisors (5931886).

6495890 is a wasteful number, since it uses less digits than its factorization.

6495890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 6495890 is about 2548.7035920248. The cubic root of 6495890 is about 186.5862146221.

The spelling of 6495890 in words is "six million, four hundred ninety-five thousand, eight hundred ninety".