845286500 has 24 divisors (see below), whose sum is σ = 1846106808. Its totient is φ = 338114400.

The previous prime is 845286499. The next prime is 845286503. The reversal of 845286500 is 5682548.

It can be written as a sum of positive squares in 4 ways, for example, as 111851776 + 733434724 = 10576^2 + 27082^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (845286503) 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 7 ways as a sum of consecutive naturals, for example, 844787 + ... + 845786.

It is an arithmetic number, because the mean of its divisors is an integer number (76921117).

Almost surely, 2^845286500 is an apocalyptic number.

It is an amenable number.

845286500 is an abundant number, since it is smaller than the sum of its proper divisors (1000820308).

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

845286500 is a wasteful number, since it uses less digits than its factorization.

845286500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690592 (or 1690580 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 845286500 is about 29073.8112396707. The cubic root of 845286500 is about 945.5140303202.

The spelling of 845286500 in words is "eight hundred forty-five million, two hundred eighty-six thousand, five hundred".