2320491 has 4 divisors (see below), whose sum is σ = 3093992. Its totient is φ = 1546992.

The previous prime is 2320481. The next prime is 2320511. The reversal of 2320491 is 1940232.

2320491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2320491 - 2⁶ = 2320427 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 386746 + ... + 386751.

It is an arithmetic number, because the mean of its divisors is an integer number (773498).

2^2320491 is an apocalyptic number.

2320491 is a deficient number, since it is larger than the sum of its proper divisors (773501).

2320491 is an equidigital number, since it uses as much as digits as its factorization.

2320491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773500.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2320491 is about 1523.3157912921. The cubic root of 2320491 is about 132.3914573277.

The spelling of 2320491 in words is "two million, three hundred twenty thousand, four hundred ninety-one".