2788023 has 8 divisors (see below), whose sum is σ = 4248448. Its totient is φ = 1593144.

The previous prime is 2788021. The next prime is 2788033. The reversal of 2788023 is 3208872.

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

It is not a de Polignac number, because 2788023 - 2¹ = 2788021 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 (2788021) 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, 66361 + ... + 66402.

It is an arithmetic number, because the mean of its divisors is an integer number (531056).

2^2788023 is an apocalyptic number.

2788023 is a deficient number, since it is larger than the sum of its proper divisors (1460425).

2788023 is a wasteful number, since it uses less digits than its factorization.

2788023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132773.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2788023 is about 1669.7374045041. The cubic root of 2788023 is about 140.7447219463.

The spelling of 2788023 in words is "two million, seven hundred eighty-eight thousand, twenty-three".