845898220 has 12 divisors (see below), whose sum is σ = 1776386304. Its totient is φ = 338359280.

The previous prime is 845898217. The next prime is 845898227. The reversal of 845898220 is 22898548.

It is not an unprimeable number, because it can be changed into a prime (845898227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21147436 + ... + 21147475.

It is an arithmetic number, because the mean of its divisors is an integer number (148032192).

Almost surely, 2^845898220 is an apocalyptic number.

It is an amenable number.

845898220 is an abundant number, since it is smaller than the sum of its proper divisors (930488084).

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

845898220 is a wasteful number, since it uses less digits than its factorization.

845898220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42294920 (or 42294918 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 845898220 is about 29084.3294576306. The cubic root of 845898220 is about 945.7420596629.

The spelling of 845898220 in words is "eight hundred forty-five million, eight hundred ninety-eight thousand, two hundred twenty".