2839563 has 16 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 1881000.

The previous prime is 2839553. The next prime is 2839567. The reversal of 2839563 is 3659382.

It is not a de Polignac number, because 2839563 - 2⁴ = 2839547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2839567) 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, 6568 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

2^2839563 is an apocalyptic number.

2839563 is a deficient number, since it is larger than the sum of its proper divisors (1394037).

2839563 is a wasteful number, since it uses less digits than its factorization.

2839563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2839563 is about 1685.1002937511. The cubic root of 2839563 is about 141.6067111154.

The spelling of 2839563 in words is "two million, eight hundred thirty-nine thousand, five hundred sixty-three".