2744393 has 6 divisors (see below), whose sum is σ = 2800014. Its totient is φ = 2689856.

The previous prime is 2744359. The next prime is 2744411. The reversal of 2744393 is 3934472.

It can be written as a sum of positive squares in 3 ways, for example, as 1646089 + 1098304 = 1283^2 + 1048^2 .

It is not a de Polignac number, because 2744393 - 2²⁰ = 1695817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2744323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2321 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (466669).

2^2744393 is an apocalyptic number.

It is an amenable number.

2744393 is a deficient number, since it is larger than the sum of its proper divisors (55621).

2744393 is an frugal number, since it uses more digits than its factorization.

2744393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1030 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 2744393 is about 1656.6209584573. The cubic root of 2744393 is about 140.0066833544.

The spelling of 2744393 in words is "two million, seven hundred forty-four thousand, three hundred ninety-three".