89617 has 4 divisors (see below), whose sum is σ = 97776. Its totient is φ = 81460.

The previous prime is 89611. The next prime is 89627. The reversal of 89617 is 71698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89611) 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, 4063 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (24444).

2⁸⁹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

89617 is a deficient number, since it is larger than the sum of its proper divisors (8159).

89617 is a wasteful number, since it uses less digits than its factorization.

89617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158.

The product of its digits is 3024, while the sum is 31.

The square root of 89617 is about 299.3609861021. The cubic root of 89617 is about 44.7503875210.

The spelling of 89617 in words is "eighty-nine thousand, six hundred seventeen".