8218488 has 64 divisors (see below), whose sum is σ = 22032000. Its totient is φ = 2547072.

The previous prime is 8218481. The next prime is 8218489. The reversal of 8218488 is 8848128.

It is a super-2 number, since 2×8218488² = 135087090012288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8218481) 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, 30418 + ... + 30686.

It is an arithmetic number, because the mean of its divisors is an integer number (344250).

Almost surely, 2^8218488 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 8218488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11016000).

8218488 is an abundant number, since it is smaller than the sum of its proper divisors (13813512).

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

8218488 is a wasteful number, since it uses less digits than its factorization.

8218488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 8218488 is about 2866.7905399593. The cubic root of 8218488 is about 201.8044049888.

The spelling of 8218488 in words is "eight million, two hundred eighteen thousand, four hundred eighty-eight".