383878 has 8 divisors (see below), whose sum is σ = 628200. Its totient is φ = 174480.

The previous prime is 383869. The next prime is 383891. The reversal of 383878 is 878383.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

383878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8703 + ... + 8746.

It is an arithmetic number, because the mean of its divisors is an integer number (78525).

2³⁸³⁸⁷⁸ is an apocalyptic number.

383878 is a deficient number, since it is larger than the sum of its proper divisors (244322).

383878 is a wasteful number, since it uses less digits than its factorization.

383878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17462.

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

The square root of 383878 is about 619.5788892466. The cubic root of 383878 is about 72.6771253732.

It can be divided in two parts, 3838 and 78, that added together give a triangular number (3916 = T₈₈).

The spelling of 383878 in words is "three hundred eighty-three thousand, eight hundred seventy-eight".