382681 has 4 divisors (see below), whose sum is σ = 412132. Its totient is φ = 353232.

The previous prime is 382663. The next prime is 382693. The reversal of 382681 is 186283.

382681 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 147456 = 485^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 382681 - 2⁵ = 382649 is a prime.

It is a super-2 number, since 2×382681² = 292889495522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382601) 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, 14706 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (103033).

2³⁸²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

382681 is a deficient number, since it is larger than the sum of its proper divisors (29451).

382681 is a wasteful number, since it uses less digits than its factorization.

382681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29450.

The product of its digits is 2304, while the sum is 28.

The square root of 382681 is about 618.6121563629. The cubic root of 382681 is about 72.6015066458.

The spelling of 382681 in words is "three hundred eighty-two thousand, six hundred eighty-one".