8687224 has 32 divisors (see below), whose sum is σ = 20049120. Its totient is φ = 3436416.

The previous prime is 8687213. The next prime is 8687227. The reversal of 8687224 is 4227868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8687227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5239 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (626535).

Almost surely, 2^8687224 is an apocalyptic number.

It is an amenable number.

8687224 is an abundant number, since it is smaller than the sum of its proper divisors (11361896).

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

8687224 is a wasteful number, since it uses less digits than its factorization.

8687224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959 (or 11955 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 8687224 is about 2947.4097102371. The cubic root of 8687224 is about 205.5702859449.

It can be divided in two parts, 8687 and 224, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 8687224 in words is "eight million, six hundred eighty-seven thousand, two hundred twenty-four".