2788269 has 16 divisors (see below), whose sum is σ = 4270080. Its totient is φ = 1600560.

The previous prime is 2788217. The next prime is 2788273. The reversal of 2788269 is 9628872.

It is a happy number.

It is not a de Polignac number, because 2788269 - 2¹¹ = 2786221 is a prime.

It is a super-2 number, since 2×2788269² = 15548888032722, which contains 22 as substring.

2788269 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2788269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (266880).

2^2788269 is an apocalyptic number.

It is an amenable number.

2788269 is a deficient number, since it is larger than the sum of its proper divisors (1481811).

2788269 is a wasteful number, since it uses less digits than its factorization.

2788269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its digits is 96768, while the sum is 42.

The square root of 2788269 is about 1669.8110671570. The cubic root of 2788269 is about 140.7488613411.

The spelling of 2788269 in words is "two million, seven hundred eighty-eight thousand, two hundred sixty-nine".