29993159 has 4 divisors (see below), whose sum is σ = 34277904. Its totient is φ = 25708416.

The previous prime is 29993149. The next prime is 29993167. The reversal of 29993159 is 95139992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29993159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993149) 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 3 ways as a sum of consecutive naturals, for example, 2142362 + ... + 2142375.

It is an arithmetic number, because the mean of its divisors is an integer number (8569476).

Almost surely, 2^29993159 is an apocalyptic number.

29993159 is a deficient number, since it is larger than the sum of its proper divisors (4284745).

29993159 is an equidigital number, since it uses as much as digits as its factorization.

29993159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284744.

The product of its digits is 196830, while the sum is 47.

The square root of 29993159 is about 5476.6010444435. The cubic root of 29993159 is about 310.6996303804.

The spelling of 29993159 in words is "twenty-nine million, nine hundred ninety-three thousand, one hundred fifty-nine".