34878 has 8 divisors (see below), whose sum is σ = 69768. Its totient is φ = 11624.

The previous prime is 34877. The next prime is 34883. The reversal of 34878 is 87843.

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

34878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34871) 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, 2901 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (8721).

2³⁴⁸⁷⁸ is an apocalyptic number.

34878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34884).

34878 is a wasteful number, since it uses less digits than its factorization.

34878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its digits is 5376, while the sum is 30.

The square root of 34878 is about 186.7565259904. The cubic root of 34878 is about 32.6726121808.

The spelling of 34878 in words is "thirty-four thousand, eight hundred seventy-eight".