8973865 has 4 divisors (see below), whose sum is σ = 10768644. Its totient is φ = 7179088.

The previous prime is 8973863. The next prime is 8973889. The reversal of 8973865 is 5683798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5890329 + 3083536 = 2427^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 8973865 - 2¹ = 8973863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8973863) 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 3 ways as a sum of consecutive naturals, for example, 897382 + ... + 897391.

It is an arithmetic number, because the mean of its divisors is an integer number (2692161).

Almost surely, 2^8973865 is an apocalyptic number.

It is an amenable number.

8973865 is a deficient number, since it is larger than the sum of its proper divisors (1794779).

8973865 is a wasteful number, since it uses less digits than its factorization.

8973865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794778.

The product of its digits is 362880, while the sum is 46.

The square root of 8973865 is about 2995.6409998530. The cubic root of 8973865 is about 207.8068426862.

The spelling of 8973865 in words is "eight million, nine hundred seventy-three thousand, eight hundred sixty-five".