689132448 has 192 divisors, whose sum is σ = 2091196800. Its totient is φ = 223388928.

The previous prime is 689132419. The next prime is 689132467. The reversal of 689132448 is 844231986.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3009198 + ... + 3009426.

It is an arithmetic number, because the mean of its divisors is an integer number (10891650).

Almost surely, 2^689132448 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 689132448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045598400).

689132448 is an abundant number, since it is smaller than the sum of its proper divisors (1402064352).

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

689132448 is an equidigital number, since it uses as much as digits as its factorization.

689132448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 277 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 689132448 is about 26251.3323090467. The cubic root of 689132448 is about 883.2850904550.

The spelling of 689132448 in words is "six hundred eighty-nine million, one hundred thirty-two thousand, four hundred forty-eight".