8961224 has 8 divisors (see below), whose sum is σ = 16802310. Its totient is φ = 4480608.

The previous prime is 8961223. The next prime is 8961257. The reversal of 8961224 is 4221698.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 1020100 = 2818^2 + 1010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8961221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560069 + ... + 560084.

Almost surely, 2^8961224 is an apocalyptic number.

It is an amenable number.

8961224 is a deficient number, since it is larger than the sum of its proper divisors (7841086).

8961224 is a wasteful number, since it uses less digits than its factorization.

8961224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120159 (or 1120155 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 8961224 is about 2993.5303572872. The cubic root of 8961224 is about 207.7092214005.

The spelling of 8961224 in words is "eight million, nine hundred sixty-one thousand, two hundred twenty-four".