28594 has 12 divisors (see below), whose sum is σ = 47034. Its totient is φ = 12992.

The previous prime is 28591. The next prime is 28597. The reversal of 28594 is 49582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28591) and next prime (28597).

It can be written as a sum of positive squares in 3 ways, for example, as 27225 + 1369 = 165^2 + 37^2 .

Its product of digits (2880) is a multiple of the sum of its prime divisors (48).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 972 + ... + 1000.

2²⁸⁵⁹⁴ is an apocalyptic number.

28594 is a deficient number, since it is larger than the sum of its proper divisors (18440).

28594 is a wasteful number, since it uses less digits than its factorization.

28594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 48 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 28594 is about 169.0976049505. The cubic root of 28594 is about 30.5791191363.

The spelling of 28594 in words is "twenty-eight thousand, five hundred ninety-four".