29968993 has 2 divisors, whose sum is σ = 29968994. Its totient is φ = 29968992.

The previous prime is 29968987. The next prime is 29968997. The reversal of 29968993 is 39986992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21743569 + 8225424 = 4663^2 + 2868^2 .

It is a cyclic number.

It is not a de Polignac number, because 29968993 - 2¹⁷ = 29837921 is a prime.

It is not a weakly prime, because it can be changed into another prime (29968997) 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 as a sum of consecutive naturals, namely, 14984496 + 14984497.

It is an arithmetic number, because the mean of its divisors is an integer number (14984497).

Almost surely, 2^29968993 is an apocalyptic number.

It is an amenable number.

29968993 is a deficient number, since it is larger than the sum of its proper divisors (1).

29968993 is an equidigital number, since it uses as much as digits as its factorization.

29968993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 55.

The square root of 29968993 is about 5474.3943043957. The cubic root of 29968993 is about 310.6161626279.

The spelling of 29968993 in words is "twenty-nine million, nine hundred sixty-eight thousand, nine hundred ninety-three".