9882945 has 32 divisors (see below), whose sum is σ = 18499200. Its totient is φ = 4992192.

The previous prime is 9882923. The next prime is 9882947. The reversal of 9882945 is 5492889.

It is not a de Polignac number, because 9882945 - 2¹⁴ = 9866561 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9882945.

It is not an unprimeable number, because it can be changed into a prime (9882947) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 639 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (578100).

Almost surely, 2^9882945 is an apocalyptic number.

9882945 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9882945 is a deficient number, since it is larger than the sum of its proper divisors (8616255).

9882945 is a wasteful number, since it uses less digits than its factorization.

9882945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886 (or 3880 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9882945 is about 3143.7151588527. The cubic root of 9882945 is about 214.5995430199.

The spelling of 9882945 in words is "nine million, eight hundred eighty-two thousand, nine hundred forty-five".