2799799 has 4 divisors (see below), whose sum is σ = 2805336. Its totient is φ = 2794264.

The previous prime is 2799793. The next prime is 2799803. The reversal of 2799799 is 9979972.

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

It is a cyclic number.

It is not a de Polignac number, because 2799799 - 2³ = 2799791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799791) 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 3 ways as a sum of consecutive naturals, for example, 1924 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (701334).

2^2799799 is an apocalyptic number.

2799799 is a deficient number, since it is larger than the sum of its proper divisors (5537).

2799799 is an equidigital number, since it uses as much as digits as its factorization.

2799799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536.

The product of its digits is 642978, while the sum is 52.

The square root of 2799799 is about 1673.2599917526. The cubic root of 2799799 is about 140.9426019248.

The spelling of 2799799 in words is "two million, seven hundred ninety-nine thousand, seven hundred ninety-nine".