2798993 has 4 divisors (see below), whose sum is σ = 2895540. Its totient is φ = 2702448.

The previous prime is 2798989. The next prime is 2799001. The reversal of 2798993 is 3998972.

2798993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1481089 + 1317904 = 1217^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798993 - 2² = 2798989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798903) 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 3 ways as a sum of consecutive naturals, for example, 48230 + ... + 48287.

It is an arithmetic number, because the mean of its divisors is an integer number (723885).

2^2798993 is an apocalyptic number.

It is an amenable number.

2798993 is a deficient number, since it is larger than the sum of its proper divisors (96547).

2798993 is an equidigital number, since it uses as much as digits as its factorization.

2798993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96546.

The product of its digits is 244944, while the sum is 47.

The square root of 2798993 is about 1673.0191272069. The cubic root of 2798993 is about 140.9290758776.

It can be divided in two parts, 27989 and 93, that added together give a palindrome (28082).

The spelling of 2798993 in words is "two million, seven hundred ninety-eight thousand, nine hundred ninety-three".