9028165 has 4 divisors (see below), whose sum is σ = 10833804. Its totient is φ = 7222528.

The previous prime is 9028141. The next prime is 9028181. The reversal of 9028165 is 5618209.

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 4809249 + 4218916 = 2193^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 9028165 - 2⁹ = 9027653 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9028165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902812 + ... + 902821.

It is an arithmetic number, because the mean of its divisors is an integer number (2708451).

Almost surely, 2^9028165 is an apocalyptic number.

It is an amenable number.

9028165 is a deficient number, since it is larger than the sum of its proper divisors (1805639).

9028165 is a wasteful number, since it uses less digits than its factorization.

9028165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805638.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 9028165 is about 3004.6904998685. The cubic root of 9028165 is about 208.2251399107.

The spelling of 9028165 in words is "nine million, twenty-eight thousand, one hundred sixty-five".