8618459 has 4 divisors (see below), whose sum is σ = 8624616. Its totient is φ = 8612304.

The previous prime is 8618443. The next prime is 8618479. The reversal of 8618459 is 9548168.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8618459 - 2⁴ = 8618443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8618429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (2156154).

Almost surely, 2^8618459 is an apocalyptic number.

8618459 is a deficient number, since it is larger than the sum of its proper divisors (6157).

8618459 is a wasteful number, since it uses less digits than its factorization.

8618459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156.

The product of its digits is 69120, while the sum is 41.

The square root of 8618459 is about 2935.7212061093. The cubic root of 8618459 is about 205.0264411661.

The spelling of 8618459 in words is "eight million, six hundred eighteen thousand, four hundred fifty-nine".