2799039 has 8 divisors (see below), whose sum is σ = 3783472. Its totient is φ = 1840320.

The previous prime is 2799037. The next prime is 2799053. The reversal of 2799039 is 9309972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2799039 - 2¹ = 2799037 is a prime.

It is a Duffinian number.

2799039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2798988 and 2799006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6172 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (472934).

2^2799039 is an apocalyptic number.

2799039 is a deficient number, since it is larger than the sum of its proper divisors (984433).

2799039 is a wasteful number, since it uses less digits than its factorization.

2799039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 2799039 is about 1673.0328747517. The cubic root of 2799039 is about 140.9298479055.

The spelling of 2799039 in words is "two million, seven hundred ninety-nine thousand, thirty-nine".