845104 has 40 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 365568.

The previous prime is 845099. The next prime is 845111. The reversal of 845104 is 401548.

It is an unprimeable number.

845104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁸⁴⁵¹⁰⁴ 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 845104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

845104 is an abundant number, since it is smaller than the sum of its proper divisors (1029776).

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

845104 is a wasteful number, since it uses less digits than its factorization.

845104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 845104 is about 919.2953823445. The cubic root of 845104 is about 94.5445978943.

Subtracting from 845104 its reverse (401548), we obtain a square (443556 = 666²).

It can be divided in two parts, 845 and 104, that added together give a palindrome (949).

The spelling of 845104 in words is "eight hundred forty-five thousand, one hundred four".