2682663 has 4 divisors (see below), whose sum is σ = 3576888. Its totient is φ = 1788440.

The previous prime is 2682653. The next prime is 2682679. The reversal of 2682663 is 3662862.

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

It is a cyclic number.

It is not a de Polignac number, because 2682663 - 2¹⁸ = 2420519 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2682623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447108 + ... + 447113.

It is an arithmetic number, because the mean of its divisors is an integer number (894222).

2^2682663 is an apocalyptic number.

2682663 is a deficient number, since it is larger than the sum of its proper divisors (894225).

2682663 is an equidigital number, since it uses as much as digits as its factorization.

2682663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894224.

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

The square root of 2682663 is about 1637.8836955047. The cubic root of 2682663 is about 138.9489832273.

The spelling of 2682663 in words is "two million, six hundred eighty-two thousand, six hundred sixty-three".