382987 has 8 divisors (see below), whose sum is σ = 429552. Its totient is φ = 338400.

The previous prime is 382979. The next prime is 382999. The reversal of 382987 is 789283.

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

It is a cyclic number.

It is not a de Polignac number, because 382987 - 2³ = 382979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

382987 is a lucky number.

It is a nialpdrome in base 9.

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 7 ways as a sum of consecutive naturals, for example, 64 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (53694).

2³⁸²⁹⁸⁷ is an apocalyptic number.

382987 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

382987 is a deficient number, since it is larger than the sum of its proper divisors (46565).

382987 is a wasteful number, since it uses less digits than its factorization.

382987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its digits is 24192, while the sum is 37.

The square root of 382987 is about 618.8594347669. The cubic root of 382987 is about 72.6208527349.

It can be divided in two parts, 3829 and 87, that added together give a triangular number (3916 = T₈₈).

The spelling of 382987 in words is "three hundred eighty-two thousand, nine hundred eighty-seven".