2798244 has 36 divisors (see below), whose sum is σ = 7447440. Its totient is φ = 883440.

The previous prime is 2798233. The next prime is 2798261. The reversal of 2798244 is 4428972.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2798199 and 2798208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362 + ... + 2729.

2^2798244 is an apocalyptic number.

It is an amenable number.

2798244 is an abundant number, since it is smaller than the sum of its proper divisors (4649196).

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

2798244 is a wasteful number, since it uses less digits than its factorization.

2798244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4115 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2798244 is about 1672.7952654165. The cubic root of 2798244 is about 140.9165040593.

The spelling of 2798244 in words is "two million, seven hundred ninety-eight thousand, two hundred forty-four".