383887 has 8 divisors (see below), whose sum is σ = 442656. Its totient is φ = 326112.

The previous prime is 383869. The next prime is 383891. The reversal of 383887 is 788383.

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 383887 - 2⁷ = 383759 is a prime.

It is a super-3 number, since 3×383887³ = 169719393373335309, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (55332).

2³⁸³⁸⁸⁷ is an apocalyptic number.

383887 is a deficient number, since it is larger than the sum of its proper divisors (58769).

383887 is a wasteful number, since it uses less digits than its factorization.

383887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its digits is 32256, while the sum is 37.

The square root of 383887 is about 619.5861522016. The cubic root of 383887 is about 72.6776933393.

Subtracting 383887 from its reverse (788383), we obtain a square (404496 = 636²).

The spelling of 383887 in words is "three hundred eighty-three thousand, eight hundred eighty-seven".