845836272 has 120 divisors (see below), whose sum is σ = 2491023600. Its totient is φ = 267531264.

The previous prime is 845836259. The next prime is 845836307. The reversal of 845836272 is 272638548.

845836272 is a `hidden beast` number, since 8 + 4 + 583 + 62 + 7 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 244668 + ... + 248100.

It is an arithmetic number, because the mean of its divisors is an integer number (20758530).

Almost surely, 2^845836272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845836272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245511800).

845836272 is an abundant number, since it is smaller than the sum of its proper divisors (1645187328).

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

845836272 is a wasteful number, since it uses less digits than its factorization.

845836272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535 (or 3526 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 845836272 is about 29083.2644660121. The cubic root of 845836272 is about 945.7189724648.

The spelling of 845836272 in words is "eight hundred forty-five million, eight hundred thirty-six thousand, two hundred seventy-two".