2800344 has 16 divisors (see below), whose sum is σ = 7000920. Its totient is φ = 933440.

The previous prime is 2800339. The next prime is 2800373. The reversal of 2800344 is 4430082.

It is a happy number.

2800344 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2800344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58317 + ... + 58364.

2^2800344 is an apocalyptic number.

2800344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2800344 is an abundant number, since it is smaller than the sum of its proper divisors (4200576).

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

2800344 is a wasteful number, since it uses less digits than its factorization.

2800344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116690 (or 116686 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2800344 is about 1673.4228395716. The cubic root of 2800344 is about 140.9517464782.

The spelling of 2800344 in words is "two million, eight hundred thousand, three hundred forty-four".