845530084 has 81 divisors (see below), whose sum is σ = 1805515299. Its totient is φ = 345446640.

The previous prime is 845530079. The next prime is 845530093. The reversal of 845530084 is 480035548.

It is a happy number.

The square root of 845530084 is 29078.

It is a perfect power (a square), and thus also a powerful number.

845530084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×845530084⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12619819 + ... + 12619885.

Almost surely, 2^845530084 is an apocalyptic number.

845530084 is the 29078-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845530084

845530084 is an abundant number, since it is smaller than the sum of its proper divisors (959985215).

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

845530084 is a wasteful number, since it uses less digits than its factorization.

845530084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The cubic root of 845530084 is about 945.6048436994.

The spelling of 845530084 in words is "eight hundred forty-five million, five hundred thirty thousand, eighty-four".