2663862 has 16 divisors (see below), whose sum is σ = 5376240. Its totient is φ = 879872.

The previous prime is 2663831. The next prime is 2663867. The reversal of 2663862 is 2683662.

2663862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663867) 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 7 ways as a sum of consecutive naturals, for example, 1287 + ... + 2642.

It is an arithmetic number, because the mean of its divisors is an integer number (336015).

2^2663862 is an apocalyptic number.

2663862 is an abundant number, since it is smaller than the sum of its proper divisors (2712378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2663862 is a wasteful number, since it uses less digits than its factorization.

2663862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its digits is 20736, while the sum is 33.

The square root of 2663862 is about 1632.1341856600. The cubic root of 2663862 is about 138.6236216348.

The spelling of 2663862 in words is "two million, six hundred sixty-three thousand, eight hundred sixty-two".