99365 has 16 divisors (see below), whose sum is σ = 145152. Its totient is φ = 63744.

The previous prime is 99349. The next prime is 99367. The reversal of 99365 is 56399.

It is a cyclic number.

It is not a de Polignac number, because 99365 - 2⁴ = 99349 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99365.

It is not an unprimeable number, because it can be changed into a prime (99367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512 + ... + 678.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2⁹⁹³⁶⁵ is an apocalyptic number.

It is an amenable number.

99365 is a deficient number, since it is larger than the sum of its proper divisors (45787).

99365 is a wasteful number, since it uses less digits than its factorization.

99365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its digits is 7290, while the sum is 32.

The square root of 99365 is about 315.2221438922. Note that the first 3 decimals coincide. The cubic root of 99365 is about 46.3174326797.

It can be divided in two parts, 99 and 365, that added together give a palindrome (464).

The spelling of 99365 in words is "ninety-nine thousand, three hundred sixty-five".