2749853 has 4 divisors (see below), whose sum is σ = 2778300. Its totient is φ = 2721408.

The previous prime is 2749849. The next prime is 2749883. The reversal of 2749853 is 3589472.

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 550564 + 2199289 = 742^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2749853 - 2² = 2749849 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 (2749823) 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, 14078 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (694575).

2^2749853 is an apocalyptic number.

It is an amenable number.

2749853 is a deficient number, since it is larger than the sum of its proper divisors (28447).

2749853 is an equidigital number, since it uses as much as digits as its factorization.

2749853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28446.

The product of its digits is 60480, while the sum is 38.

The square root of 2749853 is about 1658.2680724177. The cubic root of 2749853 is about 140.0994701260.

The spelling of 2749853 in words is "two million, seven hundred forty-nine thousand, eight hundred fifty-three".