8638468 has 12 divisors (see below), whose sum is σ = 15256780. Its totient is φ = 4279392.

The previous prime is 8638463. The next prime is 8638471. The reversal of 8638468 is 8648368.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 6512704 = 1458^2 + 2552^2 .

It is not an unprimeable number, because it can be changed into a prime (8638463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9471 + ... + 10342.

Almost surely, 2^8638468 is an apocalyptic number.

It is an amenable number.

8638468 is a deficient number, since it is larger than the sum of its proper divisors (6618312).

8638468 is a wasteful number, since it uses less digits than its factorization.

8638468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19926 (or 19924 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 8638468 is about 2939.1270812947. The cubic root of 8638468 is about 205.1849847216.

The spelling of 8638468 in words is "eight million, six hundred thirty-eight thousand, four hundred sixty-eight".