2749323 has 4 divisors (see below), whose sum is σ = 3665768. Its totient is φ = 1832880.

The previous prime is 2749309. The next prime is 2749339. The reversal of 2749323 is 3239472.

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

It is not a de Polignac number, because 2749323 - 2⁸ = 2749067 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 (2749303) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 458218 + ... + 458223.

It is an arithmetic number, because the mean of its divisors is an integer number (916442).

2^2749323 is an apocalyptic number.

2749323 is a deficient number, since it is larger than the sum of its proper divisors (916445).

2749323 is an equidigital number, since it uses as much as digits as its factorization.

2749323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916444.

The product of its digits is 9072, while the sum is 30.

The square root of 2749323 is about 1658.1082594330. The cubic root of 2749323 is about 140.0904687369.

The spelling of 2749323 in words is "two million, seven hundred forty-nine thousand, three hundred twenty-three".