2788673 has 4 divisors (see below), whose sum is σ = 2826948. Its totient is φ = 2750400.

The previous prime is 2788661. The next prime is 2788693. The reversal of 2788673 is 3768872.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1329409 + 1459264 = 1153^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2788673 - 2⁸ = 2788417 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁵ + 8⁵ + 8⁷ + 6 + 7⁶ + 3 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2788673.

It is not an unprimeable number, because it can be changed into a prime (2788603) 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, 19028 + ... + 19173.

It is an arithmetic number, because the mean of its divisors is an integer number (706737).

2^2788673 is an apocalyptic number.

It is an amenable number.

2788673 is a deficient number, since it is larger than the sum of its proper divisors (38275).

2788673 is an equidigital number, since it uses as much as digits as its factorization.

2788673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38274.

The product of its digits is 112896, while the sum is 41.

The square root of 2788673 is about 1669.9320345451. The cubic root of 2788673 is about 140.7556588432.

The spelling of 2788673 in words is "two million, seven hundred eighty-eight thousand, six hundred seventy-three".