2799243 has 6 divisors (see below), whose sum is σ = 4043364. Its totient is φ = 1866156.

The previous prime is 2799239. The next prime is 2799253. The reversal of 2799243 is 3429972.

It is not a de Polignac number, because 2799243 - 2² = 2799239 is a prime.

It is a super-2 number, since 2×2799243² = 15671522746098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2799198 and 2799207.

It is not an unprimeable number, because it can be changed into a prime (2799233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155505 + ... + 155522.

It is an arithmetic number, because the mean of its divisors is an integer number (673894).

2^2799243 is an apocalyptic number.

2799243 is a deficient number, since it is larger than the sum of its proper divisors (1244121).

2799243 is a wasteful number, since it uses less digits than its factorization.

2799243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311033 (or 311030 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2799243 is about 1673.0938407633. The cubic root of 2799243 is about 140.9332715794.

The spelling of 2799243 in words is "two million, seven hundred ninety-nine thousand, two hundred forty-three".