29804947 has 2 divisors, whose sum is σ = 29804948. Its totient is φ = 29804946.

The previous prime is 29804933. The next prime is 29804963. The reversal of 29804947 is 74940892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29804947 - 2¹⁹ = 29280659 is a prime.

It is not a weakly prime, because it can be changed into another prime (29804147) 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, 14902473 + 14902474.

It is an arithmetic number, because the mean of its divisors is an integer number (14902474).

Almost surely, 2^29804947 is an apocalyptic number.

29804947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29804947 is an equidigital number, since it uses as much as digits as its factorization.

29804947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 29804947 is about 5459.3907169207. The cubic root of 29804947 is about 310.0483691435.

The spelling of 29804947 in words is "twenty-nine million, eight hundred four thousand, nine hundred forty-seven".