845502 has 32 divisors (see below), whose sum is σ = 1983744. Its totient is φ = 235200.

The previous prime is 845491. The next prime is 845531. The reversal of 845502 is 205548.

845502 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2⁸⁴⁵⁵⁰² is an apocalyptic number.

845502 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 845502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991872).

845502 is an abundant number, since it is smaller than the sum of its proper divisors (1138242).

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

845502 is a wasteful number, since it uses less digits than its factorization.

845502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 845502 is about 919.5118270039. The cubic root of 845502 is about 94.5594374267.

The spelling of 845502 in words is "eight hundred forty-five thousand, five hundred two".