689035104 has 72 divisors (see below), whose sum is σ = 2044656432. Its totient is φ = 219690240.

The previous prime is 689035103. The next prime is 689035159. The reversal of 689035104 is 401530986.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689035103) 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 11 ways as a sum of consecutive naturals, for example, 45387 + ... + 58634.

It is an arithmetic number, because the mean of its divisors is an integer number (28398006).

Almost surely, 2^689035104 is an apocalyptic number.

It is an amenable number.

689035104 is an abundant number, since it is smaller than the sum of its proper divisors (1355621328).

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

689035104 is a wasteful number, since it uses less digits than its factorization.

689035104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104060 (or 104049 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 689035104 is about 26249.4781662417. The cubic root of 689035104 is about 883.2434987634.

The spelling of 689035104 in words is "six hundred eighty-nine million, thirty-five thousand, one hundred four".