2790644 has 24 divisors (see below), whose sum is σ = 5221440. Its totient is φ = 1301184.

The previous prime is 2790643. The next prime is 2790647. The reversal of 2790644 is 4460972.

2790644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2790644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790643) 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 7 ways as a sum of consecutive naturals, for example, 5297 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (217560).

2^2790644 is an apocalyptic number.

It is an amenable number.

2790644 is a deficient number, since it is larger than the sum of its proper divisors (2430796).

2790644 is a wasteful number, since it uses less digits than its factorization.

2790644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2790644 is about 1670.5220740834. The cubic root of 2790644 is about 140.7888124935.

The spelling of 2790644 in words is "two million, seven hundred ninety thousand, six hundred forty-four".