844536834 has 32 divisors (see below), whose sum is σ = 1877904000. Its totient is φ = 281338992.

The previous prime is 844536817. The next prime is 844536841. The reversal of 844536834 is 438635448.

844536834 is a `hidden beast` number, since 84 + 4 + 536 + 8 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 844536834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107947 + ... + 115505.

It is an arithmetic number, because the mean of its divisors is an integer number (58684500).

Almost surely, 2^844536834 is an apocalyptic number.

844536834 is an abundant number, since it is smaller than the sum of its proper divisors (1033367166).

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

844536834 is a wasteful number, since it uses less digits than its factorization.

844536834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639 (or 9633 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 844536834 is about 29060.9159181193. The cubic root of 844536834 is about 945.2344291160.

The spelling of 844536834 in words is "eight hundred forty-four million, five hundred thirty-six thousand, eight hundred thirty-four".