29442991 has 2 divisors, whose sum is σ = 29442992. Its totient is φ = 29442990.

The previous prime is 29442979. The next prime is 29443019. The reversal of 29442991 is 19924492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29442991 - 2⁷ = 29442863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29452991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14721495 + 14721496.

It is an arithmetic number, because the mean of its divisors is an integer number (14721496).

Almost surely, 2^29442991 is an apocalyptic number.

29442991 is a deficient number, since it is larger than the sum of its proper divisors (1).

29442991 is an equidigital number, since it uses as much as digits as its factorization.

29442991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 29442991 is about 5426.1396038067. The cubic root of 29442991 is about 308.7881617284.

The spelling of 29442991 in words is "twenty-nine million, four hundred forty-two thousand, nine hundred ninety-one".