29812993 has 8 divisors (see below), whose sum is σ = 34797312. Its totient is φ = 25010016.

The previous prime is 29812969. The next prime is 29812997. The reversal of 29812993 is 39921892.

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

It is not a de Polignac number, because 29812993 - 2⁵ = 29812961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29812997) 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, 44980 + ... + 45637.

It is an arithmetic number, because the mean of its divisors is an integer number (4349664).

Almost surely, 2^29812993 is an apocalyptic number.

It is an amenable number.

29812993 is a deficient number, since it is larger than the sum of its proper divisors (4984319).

29812993 is an equidigital number, since it uses as much as digits as its factorization.

29812993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90671.

The product of its digits is 69984, while the sum is 43.

The square root of 29812993 is about 5460.1275626124. The cubic root of 29812993 is about 310.0762663550.

The spelling of 29812993 in words is "twenty-nine million, eight hundred twelve thousand, nine hundred ninety-three".