2639063 has 16 divisors (see below), whose sum is σ = 3250944. Its totient is φ = 2090880.

The previous prime is 2639041. The next prime is 2639069. The reversal of 2639063 is 3609362.

It is a cyclic number.

It is not a de Polignac number, because 2639063 - 2¹⁰ = 2638039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7808 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (203184).

2^2639063 is an apocalyptic number.

2639063 is a deficient number, since it is larger than the sum of its proper divisors (611881).

2639063 is a wasteful number, since it uses less digits than its factorization.

2639063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 2639063 is about 1624.5193135202. The cubic root of 2639063 is about 138.1921114872.

Subtracting 2639063 from its reverse (3609362), we obtain a cube (970299 = 99³).

The spelling of 2639063 in words is "two million, six hundred thirty-nine thousand, sixty-three".