678236 has 12 divisors (see below), whose sum is σ = 1278312. Its totient is φ = 313008.

The previous prime is 678229. The next prime is 678253. The reversal of 678236 is 632876.

678236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

678236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6470 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (106526).

2⁶⁷⁸²³⁶ is an apocalyptic number.

It is an amenable number.

678236 is a deficient number, since it is larger than the sum of its proper divisors (600076).

678236 is a wasteful number, since it uses less digits than its factorization.

678236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060 (or 13058 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 678236 is about 823.5508484605. The cubic root of 678236 is about 87.8604883070.

The spelling of 678236 in words is "six hundred seventy-eight thousand, two hundred thirty-six".