689375000 has 64 divisors (see below), whose sum is σ = 1617183360. Its totient is φ = 275500000.

The previous prime is 689374937. The next prime is 689375033. The reversal of 689375000 is 573986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624449 + ... + 625551.

It is an arithmetic number, because the mean of its divisors is an integer number (25268490).

Almost surely, 2^689375000 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 689375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808591680).

689375000 is an abundant number, since it is smaller than the sum of its proper divisors (927808360).

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

689375000 is an frugal number, since it uses more digits than its factorization.

689375000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 689375000 is about 26255.9517062322. The cubic root of 689375000 is about 883.3887074183.

It can be divided in two parts, 68937 and 5000, that added together give a palindrome (73937).

The spelling of 689375000 in words is "six hundred eighty-nine million, three hundred seventy-five thousand".