2788972 has 12 divisors (see below), whose sum is σ = 5137720. Its totient is φ = 1321056.

The previous prime is 2788939. The next prime is 2788979. The reversal of 2788972 is 2798872.

2788972 is nontrivially palindromic in base 3.

2788972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2788979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18273 + ... + 18424.

2^2788972 is an apocalyptic number.

It is an amenable number.

2788972 is a deficient number, since it is larger than the sum of its proper divisors (2348748).

2788972 is a wasteful number, since it uses less digits than its factorization.

2788972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36720 (or 36718 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 2788972 is about 1670.0215567471. The cubic root of 2788972 is about 140.7606892452.

The spelling of 2788972 in words is "two million, seven hundred eighty-eight thousand, nine hundred seventy-two".