29385947 has 2 divisors, whose sum is σ = 29385948. Its totient is φ = 29385946.

The previous prime is 29385943. The next prime is 29385949. The reversal of 29385947 is 74958392.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29385947 - 2² = 29385943 is a prime.

Together with 29385949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29385943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14692973 + 14692974.

It is an arithmetic number, because the mean of its divisors is an integer number (14692974).

Almost surely, 2^29385947 is an apocalyptic number.

29385947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29385947 is an equidigital number, since it uses as much as digits as its factorization.

29385947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 29385947 is about 5420.8806480128. The cubic root of 29385947 is about 308.5886133895.

The spelling of 29385947 in words is "twenty-nine million, three hundred eighty-five thousand, nine hundred forty-seven".