2749988 has 24 divisors (see below), whose sum is σ = 5238072. Its totient is φ = 1257984.

The previous prime is 2749921. The next prime is 2749991. The reversal of 2749988 is 8899472.

2749988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2184484 + 565504 = 1478^2 + 752^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (218253).

2^2749988 is an apocalyptic number.

It is an amenable number.

2749988 is a deficient number, since it is larger than the sum of its proper divisors (2488084).

2749988 is a wasteful number, since it uses less digits than its factorization.

2749988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2749988 is about 1658.3087770376. The cubic root of 2749988 is about 140.1017627478.

The spelling of 2749988 in words is "two million, seven hundred forty-nine thousand, nine hundred eighty-eight".