8672985 has 24 divisors (see below), whose sum is σ = 15442440. Its totient is φ = 4499712.

The previous prime is 8672969. The next prime is 8673011. The reversal of 8672985 is 5892768.

It can be written as a sum of positive squares in 4 ways, for example, as 5089536 + 3583449 = 2256^2 + 1893^2 .

It is not a de Polignac number, because 8672985 - 2⁴ = 8672969 is a prime.

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

It is a d-powerful number, because it can be written as 8⁴ + 6⁴ + 7⁵ + 2²³ + 9 + 8⁶ + 5² .

It is a self number, because there is not a number n which added to its sum of digits gives 8672985.

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 23 ways as a sum of consecutive naturals, for example, 940 + ... + 4269.

It is an arithmetic number, because the mean of its divisors is an integer number (643435).

Almost surely, 2^8672985 is an apocalyptic number.

It is an amenable number.

8672985 is a deficient number, since it is larger than the sum of its proper divisors (6769455).

8672985 is a wasteful number, since it uses less digits than its factorization.

8672985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257 (or 5254 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 8672985 is about 2944.9932088207. The cubic root of 8672985 is about 205.4579095781.

The spelling of 8672985 in words is "eight million, six hundred seventy-two thousand, nine hundred eighty-five".