689458030 has 8 divisors (see below), whose sum is σ = 1241024472. Its totient is φ = 275783208.

The previous prime is 689458019. The next prime is 689458057. The reversal of 689458030 is 30854986.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34472892 + ... + 34472911.

It is an arithmetic number, because the mean of its divisors is an integer number (155128059).

Almost surely, 2^689458030 is an apocalyptic number.

689458030 is a deficient number, since it is larger than the sum of its proper divisors (551566442).

689458030 is a wasteful number, since it uses less digits than its factorization.

689458030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68945810.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 689458030 is about 26257.5328239345. The cubic root of 689458030 is about 883.4241718219.

The spelling of 689458030 in words is "six hundred eighty-nine million, four hundred fifty-eight thousand, thirty".