8247264 has 24 divisors (see below), whose sum is σ = 21649320. Its totient is φ = 2749056.

The previous prime is 8247257. The next prime is 8247293. The reversal of 8247264 is 4627428.

8247264 = 327² + 328² + ... + 390².

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42859 + ... + 43050.

It is an arithmetic number, because the mean of its divisors is an integer number (902055).

Almost surely, 2^8247264 is an apocalyptic number.

It is an amenable number.

8247264 is an abundant number, since it is smaller than the sum of its proper divisors (13402056).

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

8247264 is a wasteful number, since it uses less digits than its factorization.

8247264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85922 (or 85914 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 8247264 is about 2871.8050073081. The cubic root of 8247264 is about 202.0396615256.

The spelling of 8247264 in words is "eight million, two hundred forty-seven thousand, two hundred sixty-four".