8713224 has 128 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 2564352.

The previous prime is 8713217. The next prime is 8713249. The reversal of 8713224 is 4223178.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81379 + ... + 81485.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

Almost surely, 2^8713224 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 8713224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

8713224 is an abundant number, since it is smaller than the sum of its proper divisors (18502776).

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

8713224 is a wasteful number, since it uses less digits than its factorization.

8713224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 154 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 8713224 is about 2951.8170675027. The cubic root of 8713224 is about 205.7751655130.

It can be divided in two parts, 871 and 3224, that added together give a triangular number (4095 = T₉₀).

The spelling of 8713224 in words is "eight million, seven hundred thirteen thousand, two hundred twenty-four".