8672845 has 8 divisors (see below), whose sum is σ = 10435320. Its totient is φ = 6919680.

The previous prime is 8672831. The next prime is 8672861. The reversal of 8672845 is 5482768.

It can be written as a sum of positive squares in 4 ways, for example, as 5294601 + 3378244 = 2301^2 + 1838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8672845 - 2⁹ = 8672333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8672798 and 8672807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (1304415).

Almost surely, 2^8672845 is an apocalyptic number.

It is an amenable number.

8672845 is a deficient number, since it is larger than the sum of its proper divisors (1762475).

8672845 is a wasteful number, since it uses less digits than its factorization.

8672845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655.

The product of its digits is 107520, while the sum is 40.

The square root of 8672845 is about 2944.9694395698. The cubic root of 8672845 is about 205.4568040663.

The spelling of 8672845 in words is "eight million, six hundred seventy-two thousand, eight hundred forty-five".