689105532 has 48 divisors (see below), whose sum is σ = 1674205344. Its totient is φ = 220416000.

The previous prime is 689105531. The next prime is 689105539. The reversal of 689105532 is 235501986.

689105532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×689105532³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689105531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18532 + ... + 41492.

It is an arithmetic number, because the mean of its divisors is an integer number (34879278).

Almost surely, 2^689105532 is an apocalyptic number.

It is an amenable number.

689105532 is an abundant number, since it is smaller than the sum of its proper divisors (985099812).

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

689105532 is a wasteful number, since it uses less digits than its factorization.

689105532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23070 (or 23068 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 689105532 is about 26250.8196443463. The cubic root of 689105532 is about 883.2735905800.

The spelling of 689105532 in words is "six hundred eighty-nine million, one hundred five thousand, five hundred thirty-two".