8538859 has 4 divisors (see below), whose sum is σ = 9758704. Its totient is φ = 7319016.

The previous prime is 8538853. The next prime is 8538869. The reversal of 8538859 is 9588358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8538859 - 2³ = 8538851 is a prime.

It is a super-2 number, since 2×8538859² = 145824226043762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8538851) 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, 609912 + ... + 609925.

It is an arithmetic number, because the mean of its divisors is an integer number (2439676).

Almost surely, 2^8538859 is an apocalyptic number.

8538859 is a deficient number, since it is larger than the sum of its proper divisors (1219845).

8538859 is a wasteful number, since it uses less digits than its factorization.

8538859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219844.

The product of its digits is 345600, while the sum is 46.

The square root of 8538859 is about 2922.1326116383. The cubic root of 8538859 is about 204.3932804804.

The spelling of 8538859 in words is "eight million, five hundred thirty-eight thousand, eight hundred fifty-nine".