689306230 has 32 divisors (see below), whose sum is σ = 1269737856. Its totient is φ = 269305344.

The previous prime is 689306197. The next prime is 689306237. The reversal of 689306230 is 32603986.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 689306230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689306237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288802 + ... + 291178.

It is an arithmetic number, because the mean of its divisors is an integer number (39679308).

Almost surely, 2^689306230 is an apocalyptic number.

689306230 is a deficient number, since it is larger than the sum of its proper divisors (580431626).

689306230 is a wasteful number, since it uses less digits than its factorization.

689306230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 689306230 is about 26254.6420657376. The cubic root of 689306230 is about 883.3593316979.

The spelling of 689306230 in words is "six hundred eighty-nine million, three hundred six thousand, two hundred thirty".