8506538 has 8 divisors (see below), whose sum is σ = 12791520. Its totient is φ = 4242700.

The previous prime is 8506517. The next prime is 8506543. The reversal of 8506538 is 8356058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8506538² = 144722377490888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8506498 and 8506507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (1598940).

Almost surely, 2^8506538 is an apocalyptic number.

8506538 is a deficient number, since it is larger than the sum of its proper divisors (4284982).

8506538 is a wasteful number, since it uses less digits than its factorization.

8506538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8506538 is about 2916.5969896439. The cubic root of 8506538 is about 204.1350669036.

The spelling of 8506538 in words is "eight million, five hundred six thousand, five hundred thirty-eight".