789000 has 64 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 209600.

The previous prime is 788999. The next prime is 789001. The reversal of 789000 is 987.

It is an interprime number because it is at equal distance from previous prime (788999) and next prime (789001).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (789001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2869 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (38610).

2⁷⁸⁹⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 789000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235520).

789000 is an abundant number, since it is smaller than the sum of its proper divisors (1682040).

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

789000 is a wasteful number, since it uses less digits than its factorization.

789000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 789000 is about 888.2567196481. The cubic root of 789000 is about 92.4043325492.

Adding to 789000 its reverse (987), we get a palindrome (789987).

The spelling of 789000 in words is "seven hundred eighty-nine thousand".