381093132 has 48 divisors (see below), whose sum is σ = 1021612032. Its totient is φ = 108309120.

The previous prime is 381093121. The next prime is 381093149. The reversal of 381093132 is 231390183.

It is a self number, because there is not a number n which added to its sum of digits gives 381093132.

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, 4168 + ... + 27920.

It is an arithmetic number, because the mean of its divisors is an integer number (21283584).

Almost surely, 2^381093132 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 381093132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510806016).

381093132 is an abundant number, since it is smaller than the sum of its proper divisors (640518900).

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

381093132 is a wasteful number, since it uses less digits than its factorization.

381093132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23958 (or 23956 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 381093132 is about 19521.6067986219. The cubic root of 381093132 is about 725.0095167994.

The spelling of 381093132 in words is "three hundred eighty-one million, ninety-three thousand, one hundred thirty-two".