3878 has 8 divisors (see below), whose sum is σ = 6672. Its totient is φ = 1656.

The previous prime is 3877. The next prime is 3881. The reversal of 3878 is 8783.

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 Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3878.

It is not an unprimeable number, because it can be changed into a prime (3877) 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, 125 + ... + 152.

It is an arithmetic number, because the mean of its divisors is an integer number (834).

2³⁸⁷⁸ is an apocalyptic number.

3878 is a deficient number, since it is larger than the sum of its proper divisors (2794).

3878 is a wasteful number, since it uses less digits than its factorization.

3878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its digits is 1344, while the sum is 26.

The square root of 3878 is about 62.2735899078. The cubic root of 3878 is about 15.7109556108.

The spelling of 3878 in words is "three thousand, eight hundred seventy-eight".