8356849844 has 36 divisors (see below), whose sum is σ = 17598796740. Its totient is φ = 3458004480.

The previous prime is 8356849829. The next prime is 8356849867. The reversal of 8356849844 is 4489486538.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5593244944 + 2763604900 = 74788^2 + 52570^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729437 + ... + 740804.

It is an arithmetic number, because the mean of its divisors is an integer number (488855465).

Almost surely, 2^8356849844 is an apocalyptic number.

It is an amenable number.

8356849844 is an abundant number, since it is smaller than the sum of its proper divisors (9241946896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8356849844 is a wasteful number, since it uses less digits than its factorization.

8356849844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470288 (or 1470279 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 59.

The square root of 8356849844 is about 91415.8074076907. The cubic root of 8356849844 is about 2029.3059696437.

The spelling of 8356849844 in words is "eight billion, three hundred fifty-six million, eight hundred forty-nine thousand, eight hundred forty-four".