678316 has 24 divisors (see below), whose sum is σ = 1268064. Its totient is φ = 316800.

The previous prime is 678299. The next prime is 678329. The reversal of 678316 is 613876.

678316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×678316² = 920225191712, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6666 + ... + 6766.

It is an arithmetic number, because the mean of its divisors is an integer number (52836).

2⁶⁷⁸³¹⁶ is an apocalyptic number.

It is an amenable number.

678316 is a deficient number, since it is larger than the sum of its proper divisors (589748).

678316 is a wasteful number, since it uses less digits than its factorization.

678316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 199 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 678316 is about 823.5994171926. The cubic root of 678316 is about 87.8639426418.

The spelling of 678316 in words is "six hundred seventy-eight thousand, three hundred sixteen".