689364006 has 16 divisors (see below), whose sum is σ = 1382572800. Its totient is φ = 229147208.

The previous prime is 689363977. The next prime is 689364029. The reversal of 689364006 is 600463986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157866 + ... + 162173.

It is an arithmetic number, because the mean of its divisors is an integer number (86410800).

Almost surely, 2^689364006 is an apocalyptic number.

689364006 is an abundant number, since it is smaller than the sum of its proper divisors (693208794).

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

689364006 is a wasteful number, since it uses less digits than its factorization.

689364006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320403.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 689364006 is about 26255.7423433427. The cubic root of 689364006 is about 883.3840113641.

The spelling of 689364006 in words is "six hundred eighty-nine million, three hundred sixty-four thousand, six".