38878 has 8 divisors (see below), whose sum is σ = 66672. Its totient is φ = 16656.

The previous prime is 38873. The next prime is 38891. The reversal of 38878 is 87883.

38878 is nontrivially palindromic in base 6.

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

It is a super-2 number, since 2×38878² = 3022997768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38873) by changing a digit.

38878 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, 1375 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (8334).

2³⁸⁸⁷⁸ is an apocalyptic number.

38878 is a deficient number, since it is larger than the sum of its proper divisors (27794).

38878 is a wasteful number, since it uses less digits than its factorization.

38878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786.

The product of its digits is 10752, while the sum is 34.

The square root of 38878 is about 197.1750491315. The cubic root of 38878 is about 33.8767161433.

The spelling of 38878 in words is "thirty-eight thousand, eight hundred seventy-eight".