2788799 has 8 divisors (see below), whose sum is σ = 3180240. Its totient is φ = 2422656.

The previous prime is 2788783. The next prime is 2788813. The reversal of 2788799 is 9978872.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2788799 - 2⁴ = 2788783 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 (2788769) 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, 6089 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (397530).

2^2788799 is an apocalyptic number.

2788799 is a deficient number, since it is larger than the sum of its proper divisors (391441).

2788799 is a wasteful number, since it uses less digits than its factorization.

2788799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649.

The product of its digits is 508032, while the sum is 50.

The square root of 2788799 is about 1669.9697602053. The cubic root of 2788799 is about 140.7577787220.

The spelling of 2788799 in words is "two million, seven hundred eighty-eight thousand, seven hundred ninety-nine".