8242864 has 20 divisors (see below), whose sum is σ = 18252304. Its totient is φ = 3532608.

The previous prime is 8242859. The next prime is 8242867. The reversal of 8242864 is 4682428.

It is not an unprimeable number, because it can be changed into a prime (8242867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36687 + ... + 36910.

Almost surely, 2^8242864 is an apocalyptic number.

It is an amenable number.

8242864 is an abundant number, since it is smaller than the sum of its proper divisors (10009440).

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

8242864 is a wasteful number, since it uses less digits than its factorization.

8242864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73612 (or 73606 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 8242864 is about 2871.0388363796. The cubic root of 8242864 is about 202.0037250563.

The spelling of 8242864 in words is "eight million, two hundred forty-two thousand, eight hundred sixty-four".