234647947 has 16 divisors (see below), whose sum is σ = 245421792. Its totient is φ = 224179200.

The previous prime is 234647927. The next prime is 234647951. The reversal of 234647947 is 749746432.

It is a cyclic number.

It is not a de Polignac number, because 234647947 - 2¹¹ = 234645899 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 234647897 and 234647906.

It is not an unprimeable number, because it can be changed into a prime (234647927) 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 in 15 ways as a sum of consecutive naturals, for example, 420993 + ... + 421549.

It is an arithmetic number, because the mean of its divisors is an integer number (15338862).

Almost surely, 2^234647947 is an apocalyptic number.

234647947 is a deficient number, since it is larger than the sum of its proper divisors (10773845).

234647947 is a wasteful number, since it uses less digits than its factorization.

234647947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its digits is 1016064, while the sum is 46.

The square root of 234647947 is about 15318.2227102233. Note that the first 3 decimals coincide. The cubic root of 234647947 is about 616.7922662437.

The spelling of 234647947 in words is "two hundred thirty-four million, six hundred forty-seven thousand, nine hundred forty-seven".