2663885 has 24 divisors (see below), whose sum is σ = 3792096. Its totient is φ = 1790880.

The previous prime is 2663867. The next prime is 2663887. The reversal of 2663885 is 5883662.

2663885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2663885 - 2¹⁸ = 2401741 is a prime.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20270 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^2663885 is an apocalyptic number.

It is an amenable number.

2663885 is a deficient number, since it is larger than the sum of its proper divisors (1128211).

2663885 is a wasteful number, since it uses less digits than its factorization.

2663885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 226 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 2663885 is about 1632.1412316341. The cubic root of 2663885 is about 138.6240205962.

The spelling of 2663885 in words is "two million, six hundred sixty-three thousand, eight hundred eighty-five".