381835152 has 60 divisors (see below), whose sum is σ = 1077073920. Its totient is φ = 126270144.

The previous prime is 381835151. The next prime is 381835183. The reversal of 381835152 is 251538183.

381835152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (381835151) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7849 + ... + 28727.

It is an arithmetic number, because the mean of its divisors is an integer number (17951232).

Almost surely, 2^381835152 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 381835152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538536960).

381835152 is an abundant number, since it is smaller than the sum of its proper divisors (695238768).

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

381835152 is a wasteful number, since it uses less digits than its factorization.

381835152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020 (or 21011 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 381835152 is about 19540.6026519143. The cubic root of 381835152 is about 725.4797629897.

The spelling of 381835152 in words is "three hundred eighty-one million, eight hundred thirty-five thousand, one hundred fifty-two".