8642468 has 6 divisors (see below), whose sum is σ = 15124326. Its totient is φ = 4321232.

The previous prime is 8642467. The next prime is 8642489.

It is a happy number.

8642468 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 565504 = 2842^2 + 752^2 .

It is not an unprimeable number, because it can be changed into a prime (8642467) 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 as a sum of consecutive naturals, namely, 1080305 + ... + 1080312.

It is an arithmetic number, because the mean of its divisors is an integer number (2520721).

Almost surely, 2^8642468 is an apocalyptic number.

It is an amenable number.

8642468 is a deficient number, since it is larger than the sum of its proper divisors (6481858).

8642468 is a wasteful number, since it uses less digits than its factorization.

8642468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160621 (or 2160619 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 8642468 is about 2939.8074766896. The cubic root of 8642468 is about 205.2166497997.

The spelling of 8642468 in words is "eight million, six hundred forty-two thousand, four hundred sixty-eight".