382687 has 4 divisors (see below), whose sum is σ = 405216. Its totient is φ = 360160.

The previous prime is 382663. The next prime is 382693. The reversal of 382687 is 786283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786283 = 73 ⋅10771.

It is a cyclic number.

It is not a de Polignac number, because 382687 - 2¹⁵ = 349919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382087) 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, 11239 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (101304).

2³⁸²⁶⁸⁷ is an apocalyptic number.

382687 is a deficient number, since it is larger than the sum of its proper divisors (22529).

382687 is a wasteful number, since it uses less digits than its factorization.

382687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528.

The product of its digits is 16128, while the sum is 34.

The square root of 382687 is about 618.6170059091. The cubic root of 382687 is about 72.6018860800.

The spelling of 382687 in words is "three hundred eighty-two thousand, six hundred eighty-seven".