845080 has 32 divisors (see below), whose sum is σ = 1956240. Its totient is φ = 328320.

The previous prime is 845069. The next prime is 845083. The reversal of 845080 is 80548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195 + ... + 1765.

2⁸⁴⁵⁰⁸⁰ 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 845080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978120).

845080 is an abundant number, since it is smaller than the sum of its proper divisors (1111160).

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

845080 is a wasteful number, since it uses less digits than its factorization.

845080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 845080 is about 919.2823287761. The cubic root of 845080 is about 94.5437028992.

The spelling of 845080 in words is "eight hundred forty-five thousand, eighty".