9001765 has 16 divisors (see below), whose sum is σ = 11088000. Its totient is φ = 7013952.

The previous prime is 9001747. The next prime is 9001771. The reversal of 9001765 is 5671009.

It is a happy number.

9001765 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9001765 - 2¹³ = 8993573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45136 + ... + 45334.

It is an arithmetic number, because the mean of its divisors is an integer number (693000).

Almost surely, 2^9001765 is an apocalyptic number.

It is an amenable number.

9001765 is a deficient number, since it is larger than the sum of its proper divisors (2086235).

9001765 is a wasteful number, since it uses less digits than its factorization.

9001765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 9001765 is about 3000.2941522457. The cubic root of 9001765 is about 208.0219790014.

The spelling of 9001765 in words is "nine million, one thousand, seven hundred sixty-five".