385532 has 24 divisors (see below), whose sum is σ = 789600. Its totient is φ = 164640.

The previous prime is 385531. The next prime is 385537. The reversal of 385532 is 235583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385531) 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, 1232 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (32900).

2³⁸⁵⁵³² 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 385532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394800).

385532 is an abundant number, since it is smaller than the sum of its proper divisors (404068).

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

385532 is a wasteful number, since it uses less digits than its factorization.

385532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 290 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 385532 is about 620.9122321230. The cubic root of 385532 is about 72.7813561725.

The spelling of 385532 in words is "three hundred eighty-five thousand, five hundred thirty-two".