29798147 has 2 divisors, whose sum is σ = 29798148. Its totient is φ = 29798146.

The previous prime is 29798143. The next prime is 29798159. The reversal of 29798147 is 74189792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29798147 - 2² = 29798143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29798143) 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, 14899073 + 14899074.

It is an arithmetic number, because the mean of its divisors is an integer number (14899074).

Almost surely, 2^29798147 is an apocalyptic number.

29798147 is a deficient number, since it is larger than the sum of its proper divisors (1).

29798147 is an equidigital number, since it uses as much as digits as its factorization.

29798147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 29798147 is about 5458.7679012759. The cubic root of 29798147 is about 310.0247881670.

The spelling of 29798147 in words is "twenty-nine million, seven hundred ninety-eight thousand, one hundred forty-seven".