378886 has 8 divisors (see below), whose sum is σ = 570960. Its totient is φ = 188568.

The previous prime is 378883. The next prime is 378893. The reversal of 378886 is 688873.

378886 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 378886 parts by 870 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (71370).

2³⁷⁸⁸⁸⁶ is an apocalyptic number.

378886 is a deficient number, since it is larger than the sum of its proper divisors (192074).

378886 is a wasteful number, since it uses less digits than its factorization.

378886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its digits is 64512, while the sum is 40.

The square root of 378886 is about 615.5371637846. The cubic root of 378886 is about 72.3607155397.

The spelling of 378886 in words is "three hundred seventy-eight thousand, eight hundred eighty-six".