29118993 has 8 divisors (see below), whose sum is σ = 38860800. Its totient is φ = 19394928.

The previous prime is 29118983. The next prime is 29119009. The reversal of 29118993 is 39981192.

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

It is not a de Polignac number, because 29118993 - 2⁵ = 29118961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29118983) 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, 43 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (4857600).

Almost surely, 2^29118993 is an apocalyptic number.

It is an amenable number.

29118993 is a deficient number, since it is larger than the sum of its proper divisors (9741807).

29118993 is a wasteful number, since it uses less digits than its factorization.

29118993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871.

The product of its digits is 34992, while the sum is 42.

The square root of 29118993 is about 5396.2017197284. The cubic root of 29118993 is about 307.6513208562.

The spelling of 29118993 in words is "twenty-nine million, one hundred eighteen thousand, nine hundred ninety-three".