382281 has 8 divisors (see below), whose sum is σ = 516480. Its totient is φ = 251472.

The previous prime is 382271. The next prime is 382303. The reversal of 382281 is 182283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 382281 - 2¹³ = 374089 is a prime.

It is a super-2 number, since 2×382281² = 292277525922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (382231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (64560).

2³⁸²²⁸¹ is an apocalyptic number.

It is an amenable number.

382281 is a deficient number, since it is larger than the sum of its proper divisors (134199).

382281 is a wasteful number, since it uses less digits than its factorization.

382281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its digits is 768, while the sum is 24.

The square root of 382281 is about 618.2887674865. The cubic root of 382281 is about 72.5762020825.

The spelling of 382281 in words is "three hundred eighty-two thousand, two hundred eighty-one".