845598 has 32 divisors (see below), whose sum is σ = 1876896. Its totient is φ = 252288.

The previous prime is 845567. The next prime is 845599. The reversal of 845598 is 895548.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845599) by changing a digit.

845598 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 15 ways as a sum of consecutive naturals, for example, 2740 + ... + 3032.

It is an arithmetic number, because the mean of its divisors is an integer number (58653).

2⁸⁴⁵⁵⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938448).

845598 is an abundant number, since it is smaller than the sum of its proper divisors (1031298).

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

845598 is a wasteful number, since it uses less digits than its factorization.

845598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 57600, while the sum is 39.

The square root of 845598 is about 919.5640271346. The cubic root of 845598 is about 94.5630161142.

The spelling of 845598 in words is "eight hundred forty-five thousand, five hundred ninety-eight".