2749388 has 12 divisors (see below), whose sum is σ = 4866120. Its totient is φ = 1359072.

The previous prime is 2749387. The next prime is 2749391. The reversal of 2749388 is 8839472.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2749387) 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 in 3 ways as a sum of consecutive naturals, for example, 3506 + ... + 4217.

It is an arithmetic number, because the mean of its divisors is an integer number (405510).

2^2749388 is an apocalyptic number.

It is an amenable number.

2749388 is a deficient number, since it is larger than the sum of its proper divisors (2116732).

2749388 is a wasteful number, since it uses less digits than its factorization.

2749388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816 (or 7814 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 2749388 is about 1658.1278599674. The cubic root of 2749388 is about 140.0915727431.

The spelling of 2749388 in words is "two million, seven hundred forty-nine thousand, three hundred eighty-eight".