129984306 has 8 divisors (see below), whose sum is σ = 259968624. Its totient is φ = 43328100.

The previous prime is 129984299. The next prime is 129984307. The reversal of 129984306 is 603489921.

129984306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

129984306 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129984307) 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, 10832020 + ... + 10832031.

It is an arithmetic number, because the mean of its divisors is an integer number (32496078).

Almost surely, 2^129984306 is an apocalyptic number.

129984306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129984306 is a wasteful number, since it uses less digits than its factorization.

129984306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664056.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 129984306 is about 11401.0660027911. The cubic root of 129984306 is about 506.5593158029.

The spelling of 129984306 in words is "one hundred twenty-nine million, nine hundred eighty-four thousand, three hundred six".