2321493 has 4 divisors (see below), whose sum is σ = 3095328. Its totient is φ = 1547660.

The previous prime is 2321443. The next prime is 2321507. The reversal of 2321493 is 3941232.

2321493 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2321493 - 2¹⁴ = 2305109 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321443) 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, 386913 + ... + 386918.

It is an arithmetic number, because the mean of its divisors is an integer number (773832).

2^2321493 is an apocalyptic number.

It is an amenable number.

2321493 is a deficient number, since it is larger than the sum of its proper divisors (773835).

2321493 is an equidigital number, since it uses as much as digits as its factorization.

2321493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773834.

The product of its digits is 1296, while the sum is 24.

The square root of 2321493 is about 1523.6446436095. The cubic root of 2321493 is about 132.4105103573.

The spelling of 2321493 in words is "two million, three hundred twenty-one thousand, four hundred ninety-three".