6390590 has 16 divisors (see below), whose sum is σ = 11748672. Its totient is φ = 2501664.

The previous prime is 6390583. The next prime is 6390611. The reversal of 6390590 is 950936.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6329 + ... + 7268.

It is an arithmetic number, because the mean of its divisors is an integer number (734292).

Almost surely, 2^6390590 is an apocalyptic number.

6390590 is a deficient number, since it is larger than the sum of its proper divisors (5358082).

6390590 is a wasteful number, since it uses less digits than its factorization.

6390590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 6390590 is about 2527.9616294556. The cubic root of 6390590 is about 185.5725142302.

The spelling of 6390590 in words is "six million, three hundred ninety thousand, five hundred ninety".