689271504 has 20 divisors (see below), whose sum is σ = 1780618176. Its totient is φ = 229757152.

The previous prime is 689271503. The next prime is 689271529. The reversal of 689271504 is 405172986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689271503) 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 3 ways as a sum of consecutive naturals, for example, 7179864 + ... + 7179959.

Almost surely, 2^689271504 is an apocalyptic number.

It is an amenable number.

689271504 is an abundant number, since it is smaller than the sum of its proper divisors (1091346672).

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

689271504 is a wasteful number, since it uses less digits than its factorization.

689271504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14359834 (or 14359828 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 689271504 is about 26253.9807267393. The cubic root of 689271504 is about 883.3444974342.

The spelling of 689271504 in words is "six hundred eighty-nine million, two hundred seventy-one thousand, five hundred four".