2799287 has 4 divisors (see below), whose sum is σ = 2802696. Its totient is φ = 2795880.

The previous prime is 2799281. The next prime is 2799299. The reversal of 2799287 is 7829972.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2799287 - 2¹⁴ = 2782903 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 (2799281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (700674).

2^2799287 is an apocalyptic number.

2799287 is a deficient number, since it is larger than the sum of its proper divisors (3409).

2799287 is a wasteful number, since it uses less digits than its factorization.

2799287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408.

The product of its digits is 127008, while the sum is 44.

The square root of 2799287 is about 1673.1069900039. The cubic root of 2799287 is about 140.9340099971.

The spelling of 2799287 in words is "two million, seven hundred ninety-nine thousand, two hundred eighty-seven".