29921349 has 8 divisors (see below), whose sum is σ = 40868352. Its totient is φ = 19460960.

The previous prime is 29921347. The next prime is 29921363. The reversal of 29921349 is 94312992.

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 29921349 - 2¹ = 29921347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29921347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121509 + ... + 121754.

It is an arithmetic number, because the mean of its divisors is an integer number (5108544).

Almost surely, 2^29921349 is an apocalyptic number.

It is an amenable number.

29921349 is a deficient number, since it is larger than the sum of its proper divisors (10947003).

29921349 is a wasteful number, since it uses less digits than its factorization.

29921349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243307.

The product of its digits is 34992, while the sum is 39.

The square root of 29921349 is about 5470.0410418936. The cubic root of 29921349 is about 310.4514719007.

The spelling of 29921349 in words is "twenty-nine million, nine hundred twenty-one thousand, three hundred forty-nine".