28610 has 8 divisors (see below), whose sum is σ = 51516. Its totient is φ = 11440.

The previous prime is 28607. The next prime is 28619. The reversal of 28610 is 1682.

It can be written as a sum of positive squares in 2 ways, for example, as 28561 + 49 = 169^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421 + ... + 1440.

2²⁸⁶¹⁰ is an apocalyptic number.

28610 is a deficient number, since it is larger than the sum of its proper divisors (22906).

28610 is a wasteful number, since it uses less digits than its factorization.

28610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 28610 is about 169.1449082887. The cubic root of 28610 is about 30.5848216692.

The spelling of 28610 in words is "twenty-eight thousand, six hundred ten".