689326000 has 80 divisors (see below), whose sum is σ = 1818374688. Its totient is φ = 250656000.

The previous prime is 689325997. The next prime is 689326009. The reversal of 689326000 is 623986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (689326009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6334 + ... + 37666.

Almost surely, 2^689326000 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 689326000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909187344).

689326000 is an abundant number, since it is smaller than the sum of its proper divisors (1129048688).

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

689326000 is a wasteful number, since it uses less digits than its factorization.

689326000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31367 (or 31351 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 689326000 is about 26255.0185678853. The cubic root of 689326000 is about 883.3677768303.

Adding to 689326000 its reverse (623986), we get a palindrome (689949986).

The spelling of 689326000 in words is "six hundred eighty-nine million, three hundred twenty-six thousand".