29968903 has 4 divisors (see below), whose sum is σ = 30534408. Its totient is φ = 29403400.

The previous prime is 29968891. The next prime is 29968921. The reversal of 29968903 is 30986992.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 29968903 - 2²¹ = 27871751 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 (29968933) 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 3 ways as a sum of consecutive naturals, for example, 282673 + ... + 282778.

It is an arithmetic number, because the mean of its divisors is an integer number (7633602).

Almost surely, 2^29968903 is an apocalyptic number.

29968903 is a deficient number, since it is larger than the sum of its proper divisors (565505).

29968903 is an equidigital number, since it uses as much as digits as its factorization.

29968903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565504.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 29968903 is about 5474.3860843021. The cubic root of 29968903 is about 310.6158516901.

The spelling of 29968903 in words is "twenty-nine million, nine hundred sixty-eight thousand, nine hundred three".