381150 has 108 divisors (see below), whose sum is σ = 1286376. Its totient is φ = 79200.

The previous prime is 381103. The next prime is 381167. The reversal of 381150 is 51183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 381150.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 34645 + ... + 34655.

2³⁸¹¹⁵⁰ is an apocalyptic number.

381150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 381150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643188).

381150 is an abundant number, since it is smaller than the sum of its proper divisors (905226).

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

381150 is a wasteful number, since it uses less digits than its factorization.

381150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 381150 is about 617.3734688177. The cubic root of 381150 is about 72.5045577793.

The spelling of 381150 in words is "three hundred eighty-one thousand, one hundred fifty".