789668 has 24 divisors (see below), whose sum is σ = 1530144. Its totient is φ = 353600.

The previous prime is 789653. The next prime is 789671. The reversal of 789668 is 866987.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an Ulam number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5696 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (63756).

2⁷⁸⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

789668 is a deficient number, since it is larger than the sum of its proper divisors (740476).

789668 is a wasteful number, since it uses less digits than its factorization.

789668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 789668 is about 888.6326575138. The cubic root of 789668 is about 92.4304029685.

The spelling of 789668 in words is "seven hundred eighty-nine thousand, six hundred sixty-eight".