689300830 has 8 divisors (see below), whose sum is σ = 1240741512. Its totient is φ = 275720328.

The previous prime is 689300827. The next prime is 689300837. The reversal of 689300830 is 38003986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 689300830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689300837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34465032 + ... + 34465051.

It is an arithmetic number, because the mean of its divisors is an integer number (155092689).

Almost surely, 2^689300830 is an apocalyptic number.

689300830 is a deficient number, since it is larger than the sum of its proper divisors (551440682).

689300830 is a wasteful number, since it uses less digits than its factorization.

689300830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68930090.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 689300830 is about 26254.5392265795. The cubic root of 689300830 is about 883.3570249569.

The spelling of 689300830 in words is "six hundred eighty-nine million, three hundred thousand, eight hundred thirty".