6504090 has 16 divisors (see below), whose sum is σ = 15609888. Its totient is φ = 1734416.

The previous prime is 6504083. The next prime is 6504103. The reversal of 6504090 is 904056.

6504090 is nontrivially palindromic in base 14.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 6504090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108372 + ... + 108431.

It is an arithmetic number, because the mean of its divisors is an integer number (975618).

Almost surely, 2^6504090 is an apocalyptic number.

6504090 is an abundant number, since it is smaller than the sum of its proper divisors (9105798).

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

6504090 is a wasteful number, since it uses less digits than its factorization.

6504090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216813.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 6504090 is about 2550.3117456499. The cubic root of 6504090 is about 186.6646931481.

The spelling of 6504090 in words is "six million, five hundred four thousand, ninety".