2749490 has 32 divisors (see below), whose sum is σ = 5400000. Its totient is φ = 1003968.

The previous prime is 2749447. The next prime is 2749499. The reversal of 2749490 is 949472.

2749490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2749490.

It is not an unprimeable number, because it can be changed into a prime (2749499) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5261 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (168750).

2^2749490 is an apocalyptic number.

2749490 is a deficient number, since it is larger than the sum of its proper divisors (2650510).

2749490 is a wasteful number, since it uses less digits than its factorization.

2749490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2749490 is about 1658.1586172619. The cubic root of 2749490 is about 140.0933051485.

The spelling of 2749490 in words is "two million, seven hundred forty-nine thousand, four hundred ninety".