2798930 has 16 divisors (see below), whose sum is σ = 5134104. Its totient is φ = 1098240.

The previous prime is 2798927. The next prime is 2798933. The reversal of 2798930 is 398972.

2798930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1673²+1.

It is an interprime number because it is at equal distance from previous prime (2798927) and next prime (2798933).

It can be written as a sum of positive squares in 4 ways, for example, as 2019241 + 779689 = 1421^2 + 883^2 .

It is a d-powerful number, because it can be written as 2¹⁹ + 7³ + 9⁵ + 8⁷ + 9⁵ + 3¹⁰ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2798933) 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, 2111 + ... + 3170.

2^2798930 is an apocalyptic number.

2798930 is a deficient number, since it is larger than the sum of its proper divisors (2335174).

2798930 is a wasteful number, since it uses less digits than its factorization.

2798930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2798930 is about 1673.0002988643. Note that the first 3 decimals coincide. The cubic root of 2798930 is about 140.9280185214.

The spelling of 2798930 in words is "two million, seven hundred ninety-eight thousand, nine hundred thirty".