689385060 has 192 divisors, whose sum is σ = 2639884800. Its totient is φ = 145442304.

The previous prime is 689385041. The next prime is 689385091. The reversal of 689385060 is 60583986.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 689384997 and 689385015.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42126 + ... + 56154.

It is an arithmetic number, because the mean of its divisors is an integer number (13749400).

Almost surely, 2^689385060 is an apocalyptic number.

689385060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689385060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319942400).

689385060 is an abundant number, since it is smaller than the sum of its proper divisors (1950499740).

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

689385060 is a wasteful number, since it uses less digits than its factorization.

689385060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067 (or 14059 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 689385060 is about 26256.1432811447. The cubic root of 689385060 is about 883.3930044734.

The spelling of 689385060 in words is "six hundred eighty-nine million, three hundred eighty-five thousand, sixty".