29934221 has 8 divisors (see below), whose sum is σ = 30816480. Its totient is φ = 29055888.

The previous prime is 29934217. The next prime is 29934259. The reversal of 29934221 is 12243992.

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 29934221 - 2² = 29934217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29934211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22250 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (3852060).

Almost surely, 2^29934221 is an apocalyptic number.

It is an amenable number.

29934221 is a deficient number, since it is larger than the sum of its proper divisors (882259).

29934221 is a wasteful number, since it uses less digits than its factorization.

29934221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its digits is 7776, while the sum is 32.

The square root of 29934221 is about 5471.2175061864. The cubic root of 29934221 is about 310.4959836911.

The spelling of 29934221 in words is "twenty-nine million, nine hundred thirty-four thousand, two hundred twenty-one".