2780204 has 24 divisors (see below), whose sum is σ = 5741568. Its totient is φ = 1152720.

The previous prime is 2780203. The next prime is 2780207. The reversal of 2780204 is 4020872.

2780204 is digitally balanced in base 5, 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 (23) 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 2780204.

It is not an unprimeable number, because it can be changed into a prime (2780203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (239232).

2^2780204 is an apocalyptic number.

It is an amenable number.

2780204 is an abundant number, since it is smaller than the sum of its proper divisors (2961364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780204 is a wasteful number, since it uses less digits than its factorization.

2780204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2780204 is about 1667.3943744657. The cubic root of 2780204 is about 140.6130260751.

The spelling of 2780204 in words is "two million, seven hundred eighty thousand, two hundred four".