28682589 has 8 divisors (see below), whose sum is σ = 41185312. Its totient is φ = 17650800.

The previous prime is 28682579. The next prime is 28682611. The reversal of 28682589 is 98528682.

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

It is not a de Polignac number, because 28682589 - 2⁴ = 28682573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367687 + ... + 367764.

It is an arithmetic number, because the mean of its divisors is an integer number (5148164).

Almost surely, 2^28682589 is an apocalyptic number.

It is an amenable number.

28682589 is a deficient number, since it is larger than the sum of its proper divisors (12502723).

28682589 is a wasteful number, since it uses less digits than its factorization.

28682589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735467.

The product of its digits is 552960, while the sum is 48.

The square root of 28682589 is about 5355.6128500854. The cubic root of 28682589 is about 306.1066632302.

The spelling of 28682589 in words is "twenty-eight million, six hundred eighty-two thousand, five hundred eighty-nine".