9868545 has 12 divisors (see below), whose sum is σ = 17105556. Its totient is φ = 5263200.

The previous prime is 9868513. The next prime is 9868553. The reversal of 9868545 is 5458689.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 8485569 = 1176^2 + 2913^2 .

It is not a de Polignac number, because 9868545 - 2⁵ = 9868513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 219301 = 9868545 / (9 + 8 + 6 + 8 + 5 + 4 + 5).

9868545 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9868545.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109606 + ... + 109695.

It is an arithmetic number, because the mean of its divisors is an integer number (1425463).

Almost surely, 2^9868545 is an apocalyptic number.

It is an amenable number.

9868545 is a deficient number, since it is larger than the sum of its proper divisors (7237011).

9868545 is a wasteful number, since it uses less digits than its factorization.

9868545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219312 (or 219309 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 9868545 is about 3141.4240401449. The cubic root of 9868545 is about 214.4952645376.

The spelling of 9868545 in words is "nine million, eight hundred sixty-eight thousand, five hundred forty-five".