9882765 has 24 divisors (see below), whose sum is σ = 17723160. Its totient is φ = 5088384.

The previous prime is 9882739. The next prime is 9882767. The reversal of 9882765 is 5672889.

9882765 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4137156 + 5745609 = 2034^2 + 2397^2 .

It is not a de Polignac number, because 9882765 - 2¹⁰ = 9881741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9882765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9882767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2482 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (738465).

Almost surely, 2^9882765 is an apocalyptic number.

It is an amenable number.

9882765 is a deficient number, since it is larger than the sum of its proper divisors (7840395).

9882765 is a wasteful number, since it uses less digits than its factorization.

9882765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7610 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 9882765 is about 3143.6865301744. The cubic root of 9882765 is about 214.5982401642.

The spelling of 9882765 in words is "nine million, eight hundred eighty-two thousand, seven hundred sixty-five".