2798530 has 16 divisors (see below), whose sum is σ = 5757120. Its totient is φ = 959472.

The previous prime is 2798527. The next prime is 2798539. The reversal of 2798530 is 358972.

2798530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2798539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19920 + ... + 20059.

It is an arithmetic number, because the mean of its divisors is an integer number (359820).

2^2798530 is an apocalyptic number.

2798530 is an abundant number, since it is smaller than the sum of its proper divisors (2958590).

2798530 is a wasteful number, since it uses less digits than its factorization.

2798530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39993.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2798530 is about 1672.8807488880. The cubic root of 2798530 is about 140.9213047780.

The spelling of 2798530 in words is "two million, seven hundred ninety-eight thousand, five hundred thirty".