8726224 has 20 divisors (see below), whose sum is σ = 18208036. Its totient is φ = 4027392.

The previous prime is 8726209. The next prime is 8726227. The reversal of 8726224 is 4226278.

It can be written as a sum of positive squares in 2 ways, for example, as 2131600 + 6594624 = 1460^2 + 2568^2 .

It is a super-2 number, since 2×8726224² = 152293970596352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8726227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20769 + ... + 21184.

Almost surely, 2^8726224 is an apocalyptic number.

It is an amenable number.

8726224 is an abundant number, since it is smaller than the sum of its proper divisors (9481812).

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

8726224 is a wasteful number, since it uses less digits than its factorization.

8726224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41974 (or 41968 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 8726224 is about 2954.0182802413. The cubic root of 8726224 is about 205.8774524836.

The spelling of 8726224 in words is "eight million, seven hundred twenty-six thousand, two hundred twenty-four".