845889320 has 16 divisors (see below), whose sum is σ = 1903251060. Its totient is φ = 338355712.

The previous prime is 845889307. The next prime is 845889347. The reversal of 845889320 is 23988548.

It can be written as a sum of positive squares in 2 ways, for example, as 825872644 + 20016676 = 28738^2 + 4474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10573577 + ... + 10573656.

Almost surely, 2^845889320 is an apocalyptic number.

It is an amenable number.

845889320 is an abundant number, since it is smaller than the sum of its proper divisors (1057361740).

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

845889320 is a wasteful number, since it uses less digits than its factorization.

845889320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21147244 (or 21147240 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 845889320 is about 29084.1764538726. The cubic root of 845889320 is about 945.7387428203.

The spelling of 845889320 in words is "eight hundred forty-five million, eight hundred eighty-nine thousand, three hundred twenty".