381588 has 12 divisors (see below), whose sum is σ = 890400.
Its totient is φ = 127192.
The previous prime is 381569. The next prime is 381607. The reversal of 381588 is 885183.
It can be divided in two parts, 381 and 588, that added together give a palindrome (969).
381588 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (381569) and next prime (381607).
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15888 + ... + 15911.
It is an arithmetic number, because the mean of its divisors is an integer number (74200).
2381588 is an apocalyptic number.
It is an amenable number.
381588 is an abundant number, since it is smaller than the sum of its proper divisors (508812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381588 is a wasteful number, since it uses less digits than its factorization.
381588 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31806 (or 31804 counting only the distinct ones).
The product of its digits is 7680, while the sum is 33.
The square root of 381588 is about 617.7280955242.
The cubic root of 381588 is about 72.5323201121.
The spelling of 381588 in words is "three hundred eighty-one thousand, five hundred eighty-eight".