8317872 has 60 divisors (see below), whose sum is σ = 23793120. Its totient is φ = 2711424.

The previous prime is 8317871. The next prime is 8317891. The reversal of 8317872 is 2787138.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8317871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6154 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (396552).

Almost surely, 2^8317872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8317872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11896560).

8317872 is an abundant number, since it is smaller than the sum of its proper divisors (15475248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8317872 is a wasteful number, since it uses less digits than its factorization.

8317872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1281 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 8317872 is about 2884.0721211509. The cubic root of 8317872 is about 202.6146036242.

It can be divided in two parts, 83 and 17872, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 8317872 in words is "eight million, three hundred seventeen thousand, eight hundred seventy-two".