2790784 has 16 divisors (see below), whose sum is σ = 5560020. Its totient is φ = 1395328.

The previous prime is 2790779. The next prime is 2790841. The reversal of 2790784 is 4870972.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10774 + ... + 11029.

2^2790784 is an apocalyptic number.

It is an amenable number.

2790784 is a deficient number, since it is larger than the sum of its proper divisors (2769236).

2790784 is an equidigital number, since it uses as much as digits as its factorization.

2790784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21817 (or 21805 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2790784 is about 1670.5639766259. The cubic root of 2790784 is about 140.7911668012.

The spelling of 2790784 in words is "two million, seven hundred ninety thousand, seven hundred eighty-four".