9904165 has 8 divisors (see below), whose sum is σ = 12175128. Its totient is φ = 7729920.

The previous prime is 9904157. The next prime is 9904189. The reversal of 9904165 is 5614099.

It can be written as a sum of positive squares in 4 ways, for example, as 57121 + 9847044 = 239^2 + 3138^2 .

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

It is not a de Polignac number, because 9904165 - 2³ = 9904157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9904165.

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, 23952 + ... + 24361.

It is an arithmetic number, because the mean of its divisors is an integer number (1521891).

Almost surely, 2^9904165 is an apocalyptic number.

It is an amenable number.

9904165 is a deficient number, since it is larger than the sum of its proper divisors (2270963).

9904165 is a wasteful number, since it uses less digits than its factorization.

9904165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48359.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 9904165 is about 3147.0883368600. The cubic root of 9904165 is about 214.7530244966.

The spelling of 9904165 in words is "nine million, nine hundred four thousand, one hundred sixty-five".