678610 has 16 divisors (see below), whose sum is σ = 1238400. Its totient is φ = 267696.

The previous prime is 678607. The next prime is 678611. The reversal of 678610 is 16876.

678610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (678611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (77400).

2⁶⁷⁸⁶¹⁰ is an apocalyptic number.

678610 is a deficient number, since it is larger than the sum of its proper divisors (559790).

678610 is a wasteful number, since it uses less digits than its factorization.

678610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 678610 is about 823.7778826844. Note that the first 3 decimals coincide. The cubic root of 678610 is about 87.8766349897.

The spelling of 678610 in words is "six hundred seventy-eight thousand, six hundred ten".