8973845 has 4 divisors (see below), whose sum is σ = 10768620. Its totient is φ = 7179072.

The previous prime is 8973821. The next prime is 8973857. The reversal of 8973845 is 5483798.

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 6543364 + 2430481 = 2558^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 8973845 - 2¹⁴ = 8957461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8973796 and 8973805.

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 3 ways as a sum of consecutive naturals, for example, 897380 + ... + 897389.

It is an arithmetic number, because the mean of its divisors is an integer number (2692155).

Almost surely, 2^8973845 is an apocalyptic number.

It is an amenable number.

8973845 is a deficient number, since it is larger than the sum of its proper divisors (1794775).

8973845 is a wasteful number, since it uses less digits than its factorization.

8973845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794774.

The product of its digits is 241920, while the sum is 44.

The square root of 8973845 is about 2995.6376616674. The cubic root of 8973845 is about 207.8066883068.

The spelling of 8973845 in words is "eight million, nine hundred seventy-three thousand, eight hundred forty-five".