2798528 has 28 divisors (see below), whose sum is σ = 5638800. Its totient is φ = 1377792.

The previous prime is 2798527. The next prime is 2798539. The reversal of 2798528 is 8258972.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373 + ... + 4971.

2^2798528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2819400).

2798528 is an abundant number, since it is smaller than the sum of its proper divisors (2840272).

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

2798528 is an equidigital number, since it uses as much as digits as its factorization.

2798528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 674 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 2798528 is about 1672.8801511166. The cubic root of 2798528 is about 140.9212712077.

The spelling of 2798528 in words is "two million, seven hundred ninety-eight thousand, five hundred twenty-eight".