2748244 has 6 divisors (see below), whose sum is σ = 4809434. Its totient is φ = 1374120.

The previous prime is 2748241. The next prime is 2748253. The reversal of 2748244 is 4428472.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 345744 = 1550^2 + 588^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748241) 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 as a sum of consecutive naturals, namely, 343527 + ... + 343534.

2^2748244 is an apocalyptic number.

It is an amenable number.

2748244 is a deficient number, since it is larger than the sum of its proper divisors (2061190).

2748244 is a wasteful number, since it uses less digits than its factorization.

2748244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687065 (or 687063 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 2748244 is about 1657.7828567095. The cubic root of 2748244 is about 140.0721396920.

It can be divided in two parts, 2748 and 244, that added together give a palindrome (2992).

The spelling of 2748244 in words is "two million, seven hundred forty-eight thousand, two hundred forty-four".