29905339 has 8 divisors (see below), whose sum is σ = 30744560. Its totient is φ = 29072736.

The previous prime is 29905331. The next prime is 29905357. The reversal of 29905339 is 93350992.

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

It is a cyclic number.

It is not a de Polignac number, because 29905339 - 2³ = 29905331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29905331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8329 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (3843070).

Almost surely, 2^29905339 is an apocalyptic number.

29905339 is a deficient number, since it is larger than the sum of its proper divisors (839221).

29905339 is a wasteful number, since it uses less digits than its factorization.

29905339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 29905339 is about 5468.5774201341. The cubic root of 29905339 is about 310.3960909884.

The spelling of 29905339 in words is "twenty-nine million, nine hundred five thousand, three hundred thirty-nine".