95809 has 4 divisors (see below), whose sum is σ = 109504. Its totient is φ = 82116.

The previous prime is 95803. The next prime is 95813. The reversal of 95809 is 90859.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90859 = 43 ⋅2113.

It is a cyclic number.

It is not a de Polignac number, because 95809 - 2³ = 95801 is a prime.

It is a Duffinian number.

95809 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95801) 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, 6837 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (27376).

2⁹⁵⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

95809 is a deficient number, since it is larger than the sum of its proper divisors (13695).

95809 is a wasteful number, since it uses less digits than its factorization.

95809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13694.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 95809 is about 309.5302893095. The cubic root of 95809 is about 45.7581828158.

Subtracting from 95809 its reverse (90859), we obtain a triangular number (4950 = T₉₉).

The spelling of 95809 in words is "ninety-five thousand, eight hundred nine".