8500849 has 4 divisors (see below), whose sum is σ = 9715264. Its totient is φ = 7286436.

The previous prime is 8500841. The next prime is 8500859. The reversal of 8500849 is 9480058.

8500849 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8500849 - 2³ = 8500841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8500841) 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, 607197 + ... + 607210.

It is an arithmetic number, because the mean of its divisors is an integer number (2428816).

Almost surely, 2^8500849 is an apocalyptic number.

It is an amenable number.

8500849 is a deficient number, since it is larger than the sum of its proper divisors (1214415).

8500849 is a wasteful number, since it uses less digits than its factorization.

8500849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214414.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8500849 is about 2915.6215460858. The cubic root of 8500849 is about 204.0895496249.

It can be divided in two parts, 850084 and 9, that multiplied together give a square (7650756 = 2766²).

The spelling of 8500849 in words is "eight million, five hundred thousand, eight hundred forty-nine".