2591290 has 32 divisors (see below), whose sum is σ = 5193216. Its totient is φ = 924480.

The previous prime is 2591273. The next prime is 2591333. The reversal of 2591290 is 921952.

2591290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 3709 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2^2591290 is an apocalyptic number.

2591290 is an abundant number, since it is smaller than the sum of its proper divisors (2601926).

2591290 is a wasteful number, since it uses less digits than its factorization.

2591290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 2591290 is about 1609.7484275501. The cubic root of 2591290 is about 137.3531655673.

The spelling of 2591290 in words is "two million, five hundred ninety-one thousand, two hundred ninety".