2788267 has 4 divisors (see below), whose sum is σ = 2909520. Its totient is φ = 2667016.

The previous prime is 2788217. The next prime is 2788273. The reversal of 2788267 is 7628872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2788267 - 2¹¹ = 2786219 is a prime.

It is a Duffinian number.

2788267 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2788217) 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, 60592 + ... + 60637.

It is an arithmetic number, because the mean of its divisors is an integer number (727380).

2^2788267 is an apocalyptic number.

2788267 is a deficient number, since it is larger than the sum of its proper divisors (121253).

2788267 is a wasteful number, since it uses less digits than its factorization.

2788267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121252.

The product of its digits is 75264, while the sum is 40.

The square root of 2788267 is about 1669.8104682867. The cubic root of 2788267 is about 140.7488276884.

The spelling of 2788267 in words is "two million, seven hundred eighty-eight thousand, two hundred sixty-seven".