28563483 has 16 divisors (see below), whose sum is σ = 41111840. Its totient is φ = 17535744.

The previous prime is 28563467. The next prime is 28563497. The reversal of 28563483 is 38436582.

It is not a de Polignac number, because 28563483 - 2⁴ = 28563467 is a prime.

It is a super-2 number, since 2×28563483² = 1631745122182578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28563413) 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, 27135 + ... + 28167.

It is an arithmetic number, because the mean of its divisors is an integer number (2569490).

Almost surely, 2^28563483 is an apocalyptic number.

28563483 is a deficient number, since it is larger than the sum of its proper divisors (12548357).

28563483 is a wasteful number, since it uses less digits than its factorization.

28563483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758.

The product of its digits is 138240, while the sum is 39.

The square root of 28563483 is about 5344.4815464178. The cubic root of 28563483 is about 305.6823672323.

The spelling of 28563483 in words is "twenty-eight million, five hundred sixty-three thousand, four hundred eighty-three".