29318893 has 4 divisors (see below), whose sum is σ = 29335228. Its totient is φ = 29302560.

The previous prime is 29318873. The next prime is 29318899. The reversal of 29318893 is 39881392.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4588164 + 24730729 = 2142^2 + 4973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29318893 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 (29318899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (7333807).

Almost surely, 2^29318893 is an apocalyptic number.

It is an amenable number.

29318893 is a deficient number, since it is larger than the sum of its proper divisors (16335).

29318893 is a wasteful number, since it uses less digits than its factorization.

29318893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16334.

The product of its digits is 93312, while the sum is 43.

The square root of 29318893 is about 5414.6923273627. The cubic root of 29318893 is about 308.3537181231.

The spelling of 29318893 in words is "twenty-nine million, three hundred eighteen thousand, eight hundred ninety-three".