93689 has 4 divisors (see below), whose sum is σ = 98640. Its totient is φ = 88740.

The previous prime is 93683. The next prime is 93701. The reversal of 93689 is 98639.

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-93689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (93683) 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, 2447 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (24660).

2⁹³⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

93689 is a deficient number, since it is larger than the sum of its proper divisors (4951).

93689 is a wasteful number, since it uses less digits than its factorization.

93689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950.

The product of its digits is 11664, while the sum is 35.

The square root of 93689 is about 306.0865890561. The cubic root of 93689 is about 45.4181598514.

Subtracting 93689 from its reverse (98639), we obtain a triangular number (4950 = T₉₉).

The spelling of 93689 in words is "ninety-three thousand, six hundred eighty-nine".