9999365 has 8 divisors (see below), whose sum is σ = 12521088. Its totient is φ = 7651600.

The previous prime is 9999347. The next prime is 9999397. The reversal of 9999365 is 5639999.

9999365 = 236² + 237² + ... + 350².

9999365 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9999365 - 2¹⁴ = 9982981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43361 + ... + 43590.

It is an arithmetic number, because the mean of its divisors is an integer number (1565136).

Almost surely, 2^9999365 is an apocalyptic number.

It is an amenable number.

9999365 is a deficient number, since it is larger than the sum of its proper divisors (2521723).

9999365 is a wasteful number, since it uses less digits than its factorization.

9999365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86979.

The product of its digits is 590490, while the sum is 50.

The square root of 9999365 is about 3162.1772562587. The cubic root of 9999365 is about 215.4389086866.

The spelling of 9999365 in words is "nine million, nine hundred ninety-nine thousand, three hundred sixty-five".