8701218 has 48 divisors (see below), whose sum is σ = 19843200. Its totient is φ = 2751840.

The previous prime is 8701211. The next prime is 8701243. The reversal of 8701218 is 8121078.

It is a super-2 number, since 2×8701218² = 151422389367048, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8701191 and 8701200.

It is not an unprimeable number, because it can be changed into a prime (8701211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41133 + ... + 41343.

It is an arithmetic number, because the mean of its divisors is an integer number (413400).

Almost surely, 2^8701218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8701218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9921600).

8701218 is an abundant number, since it is smaller than the sum of its proper divisors (11141982).

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

8701218 is a wasteful number, since it uses less digits than its factorization.

8701218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8701218 is about 2949.7827038614. The cubic root of 8701218 is about 205.6806091533.

The spelling of 8701218 in words is "eight million, seven hundred one thousand, two hundred eighteen".