8172288 has 54 divisors (see below), whose sum is σ = 23569364. Its totient is φ = 2723328.

The previous prime is 8172253. The next prime is 8172293. The reversal of 8172288 is 8822718.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531 + ... + 4077.

Almost surely, 2^8172288 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 8172288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11784682).

8172288 is an abundant number, since it is smaller than the sum of its proper divisors (15397076).

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

8172288 is a wasteful number, since it uses less digits than its factorization.

8172288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569 (or 3552 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 8172288 is about 2858.7213925110. The cubic root of 8172288 is about 201.4255482527.

It can be divided in two parts, 81722 and 88, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 8172288 in words is "eight million, one hundred seventy-two thousand, two hundred eighty-eight".