2744849 has 4 divisors (see below), whose sum is σ = 2775780. Its totient is φ = 2713920.

The previous prime is 2744783. The next prime is 2744867. The reversal of 2744849 is 9484472.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 1380625 = 1168^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2744849 - 2⁸ = 2744593 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 (2744449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15332 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (693945).

2^2744849 is an apocalyptic number.

It is an amenable number.

2744849 is a deficient number, since it is larger than the sum of its proper divisors (30931).

2744849 is an equidigital number, since it uses as much as digits as its factorization.

2744849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30930.

The product of its digits is 64512, while the sum is 38.

The square root of 2744849 is about 1656.7585822925. The cubic root of 2744849 is about 140.0144372866.

The spelling of 2744849 in words is "two million, seven hundred forty-four thousand, eight hundred forty-nine".