381060 has 72 divisors (see below), whose sum is σ = 1212120. Its totient is φ = 96768.

The previous prime is 381047. The next prime is 381061. The reversal of 381060 is 60183.

It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 331776 = 222^2 + 576^2 .

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

It is not an unprimeable number, because it can be changed into a prime (381061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5184 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (16835).

2³⁸¹⁰⁶⁰ is an apocalyptic number.

381060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606060).

381060 is an abundant number, since it is smaller than the sum of its proper divisors (831060).

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

381060 is a wasteful number, since it uses less digits than its factorization.

381060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 381060 is about 617.3005750848. The cubic root of 381060 is about 72.4988505565.

The spelling of 381060 in words is "three hundred eighty-one thousand, sixty".