89566 has 8 divisors (see below), whose sum is σ = 141480. Its totient is φ = 42408.

The previous prime is 89563. The next prime is 89567. The reversal of 89566 is 66598.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89561) 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, 1141 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (17685).

2⁸⁹⁵⁶⁶ is an apocalyptic number.

89566 is a deficient number, since it is larger than the sum of its proper divisors (51914).

89566 is a wasteful number, since it uses less digits than its factorization.

89566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378.

The product of its digits is 12960, while the sum is 34.

The square root of 89566 is about 299.2757925393. The cubic root of 89566 is about 44.7418969338.

It can be divided in two parts, 895 and 66, that added together give a square (961 = 31²).

The spelling of 89566 in words is "eighty-nine thousand, five hundred sixty-six".