678348 has 48 divisors (see below), whose sum is σ = 1921920. Its totient is φ = 205200.

The previous prime is 678343. The next prime is 678367. The reversal of 678348 is 843876.

678348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (678341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (40040).

2⁶⁷⁸³⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960960).

678348 is an abundant number, since it is smaller than the sum of its proper divisors (1243572).

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

678348 is a wasteful number, since it uses less digits than its factorization.

678348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 587 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 678348 is about 823.6188438835. The cubic root of 678348 is about 87.8653242997.

The spelling of 678348 in words is "six hundred seventy-eight thousand, three hundred forty-eight".