8427288 has 64 divisors (see below), whose sum is σ = 22302720. Its totient is φ = 2649600.

The previous prime is 8427283. The next prime is 8427299. The reversal of 8427288 is 8827248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34848 + ... + 35088.

It is an arithmetic number, because the mean of its divisors is an integer number (348480).

Almost surely, 2^8427288 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 8427288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11151360).

8427288 is an abundant number, since it is smaller than the sum of its proper divisors (13875432).

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

8427288 is a wasteful number, since it uses less digits than its factorization.

8427288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 324 counting only the distinct ones).

The product of its digits is 57344, while the sum is 39.

The square root of 8427288 is about 2902.9791594154. The cubic root of 8427288 is about 203.4991558421.

It can be divided in two parts, 84 and 27288, that added together give a palindrome (27372).

The spelling of 8427288 in words is "eight million, four hundred twenty-seven thousand, two hundred eighty-eight".