9165428 has 12 divisors (see below), whose sum is σ = 16061220. Its totient is φ = 4576512.

The previous prime is 9165419. The next prime is 9165439. The reversal of 9165428 is 8245619.

It can be written as a sum of positive squares in 2 ways, for example, as 1993744 + 7171684 = 1412^2 + 2678^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (1338435).

Almost surely, 2^9165428 is an apocalyptic number.

It is an amenable number.

9165428 is a deficient number, since it is larger than the sum of its proper divisors (6895792).

9165428 is a wasteful number, since it uses less digits than its factorization.

9165428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3104 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 9165428 is about 3027.4457881191. The cubic root of 9165428 is about 209.2751121663.

The spelling of 9165428 in words is "nine million, one hundred sixty-five thousand, four hundred twenty-eight".