2744245 has 24 divisors (see below), whose sum is σ = 4005504. Its totient is φ = 1796256.

The previous prime is 2744243. The next prime is 2744257. The reversal of 2744245 is 5424472.

It is a happy number.

It is not a de Polignac number, because 2744245 - 2¹ = 2744243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5392 + ... + 5878.

It is an arithmetic number, because the mean of its divisors is an integer number (166896).

2^2744245 is an apocalyptic number.

It is an amenable number.

2744245 is a deficient number, since it is larger than the sum of its proper divisors (1261259).

2744245 is a wasteful number, since it uses less digits than its factorization.

2744245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 522 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 2744245 is about 1656.5762886146. The cubic root of 2744245 is about 140.0041665427.

The spelling of 2744245 in words is "two million, seven hundred forty-four thousand, two hundred forty-five".