99365605 has 4 divisors (see below), whose sum is σ = 119238732. Its totient is φ = 79492480.

The previous prime is 99365603. The next prime is 99365621. The reversal of 99365605 is 50656399.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17969121 + 81396484 = 4239^2 + 9022^2 .

It is not a de Polignac number, because 99365605 - 2¹ = 99365603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99365603) 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, 9936556 + ... + 9936565.

It is an arithmetic number, because the mean of its divisors is an integer number (29809683).

Almost surely, 2^99365605 is an apocalyptic number.

It is an amenable number.

99365605 is a deficient number, since it is larger than the sum of its proper divisors (19873127).

99365605 is a wasteful number, since it uses less digits than its factorization.

99365605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873126.

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 99365605 is about 9968.2297826645. The cubic root of 99365605 is about 463.1752668322.

The spelling of 99365605 in words is "ninety-nine million, three hundred sixty-five thousand, six hundred five".