789678 has 24 divisors (see below), whose sum is σ = 1801800. Its totient is φ = 249264.

The previous prime is 789673. The next prime is 789683. The reversal of 789678 is 876987.

It is an interprime number because it is at equal distance from previous prime (789673) and next prime (789683).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 813 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (75075).

2⁷⁸⁹⁶⁷⁸ is an apocalyptic number.

789678 is an abundant number, since it is smaller than the sum of its proper divisors (1012122).

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

789678 is a wasteful number, since it uses less digits than its factorization.

789678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336 (or 2333 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 789678 is about 888.6382841179. The cubic root of 789678 is about 92.4307931325.

The spelling of 789678 in words is "seven hundred eighty-nine thousand, six hundred seventy-eight".