2663888 has 20 divisors (see below), whose sum is σ = 5187168. Its totient is φ = 1325280.

The previous prime is 2663887. The next prime is 2663897. The reversal of 2663888 is 8883662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663887) 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, 5045 + ... + 5547.

2^2663888 is an apocalyptic number.

It is an amenable number.

2663888 is a deficient number, since it is larger than the sum of its proper divisors (2523280).

2663888 is a wasteful number, since it uses less digits than its factorization.

2663888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 836 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 2663888 is about 1632.1421506719. The cubic root of 2663888 is about 138.6240726344.

The spelling of 2663888 in words is "two million, six hundred sixty-three thousand, eight hundred eighty-eight".