30846947 has 2 divisors, whose sum is σ = 30846948. Its totient is φ = 30846946.

The previous prime is 30846941. The next prime is 30846961. The reversal of 30846947 is 74964803.

It is a weak prime.

It is an emirp because it is prime and its reverse (74964803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30846947 - 2¹⁰ = 30845923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30846941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15423473 + 15423474.

It is an arithmetic number, because the mean of its divisors is an integer number (15423474).

Almost surely, 2^30846947 is an apocalyptic number.

30846947 is a deficient number, since it is larger than the sum of its proper divisors (1).

30846947 is an equidigital number, since it uses as much as digits as its factorization.

30846947 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 41.

The square root of 30846947 is about 5554.0027907807. The cubic root of 30846947 is about 313.6202252667.

The spelling of 30846947 in words is "thirty million, eight hundred forty-six thousand, nine hundred forty-seven".