913224 has 32 divisors (see below), whose sum is σ = 2459520. Its totient is φ = 280896.

The previous prime is 913217. The next prime is 913247. The reversal of 913224 is 422319.

It is a self number, because there is not a number n which added to its sum of digits gives 913224.

It is an unprimeable number.

913224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

2⁹¹³²²⁴ is an apocalyptic number.

It is an amenable number.

913224 is an abundant number, since it is smaller than the sum of its proper divisors (1546296).

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

913224 is a wasteful number, since it uses less digits than its factorization.

913224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2945 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 913224 is about 955.6275425081. The cubic root of 913224 is about 97.0195163905.

The spelling of 913224 in words is "nine hundred thirteen thousand, two hundred twenty-four".