678234 has 8 divisors (see below), whose sum is σ = 1356480. Its totient is φ = 226076.

The previous prime is 678229. The next prime is 678253. The reversal of 678234 is 432876.

678234 is nontrivially palindromic in base 16.

678234 is digitally balanced in base 2, 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.

678234 is an admirable number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56514 + ... + 56525.

It is an arithmetic number, because the mean of its divisors is an integer number (169560).

2⁶⁷⁸²³⁴ is an apocalyptic number.

678234 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.

678234 is a wasteful number, since it uses less digits than its factorization.

678234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113044.

The product of its digits is 8064, while the sum is 30.

The square root of 678234 is about 823.5496342055. The cubic root of 678234 is about 87.8604019451.

The spelling of 678234 in words is "six hundred seventy-eight thousand, two hundred thirty-four".