2799993 has 16 divisors (see below), whose sum is σ = 4299776. Its totient is φ = 1587600.

The previous prime is 2799991. The next prime is 2800001. The reversal of 2799993 is 3999972.

It is a happy number.

It is not a de Polignac number, because 2799993 - 2¹ = 2799991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2730 + ... + 3612.

It is an arithmetic number, because the mean of its divisors is an integer number (268736).

2^2799993 is an apocalyptic number.

It is an amenable number.

2799993 is a deficient number, since it is larger than the sum of its proper divisors (1499783).

2799993 is a wasteful number, since it uses less digits than its factorization.

2799993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its digits is 275562, while the sum is 48.

The square root of 2799993 is about 1673.3179614168. The cubic root of 2799993 is about 140.9458571862.

The spelling of 2799993 in words is "two million, seven hundred ninety-nine thousand, nine hundred ninety-three".