89515 has 4 divisors (see below), whose sum is σ = 107424. Its totient is φ = 71608.

The previous prime is 89513. The next prime is 89519. The reversal of 89515 is 51598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51598 = 2 ⋅25799.

It is a cyclic number.

It is not a de Polignac number, because 89515 - 2¹ = 89513 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (89513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8947 + ... + 8956.

It is an arithmetic number, because the mean of its divisors is an integer number (26856).

2⁸⁹⁵¹⁵ is an apocalyptic number.

89515 is a deficient number, since it is larger than the sum of its proper divisors (17909).

89515 is a wasteful number, since it uses less digits than its factorization.

89515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17908.

The product of its digits is 1800, while the sum is 28.

The square root of 89515 is about 299.1905747179. The cubic root of 89515 is about 44.7334031230.

The spelling of 89515 in words is "eighty-nine thousand, five hundred fifteen".