380128 has 24 divisors (see below), whose sum is σ = 855792. Its totient is φ = 162816.

The previous prime is 380117. The next prime is 380129. The reversal of 380128 is 821083.

It is a junction number, because it is equal to n+sod(n) for n = 380099 and 380108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (35658).

2³⁸⁰¹²⁸ is an apocalyptic number.

It is an amenable number.

380128 is an abundant number, since it is smaller than the sum of its proper divisors (475664).

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

380128 is a wasteful number, since it uses less digits than its factorization.

380128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 380128 is about 616.5452132650. The cubic root of 380128 is about 72.4396961883.

The spelling of 380128 in words is "three hundred eighty thousand, one hundred twenty-eight".