947214812 has 12 divisors (see below), whose sum is σ = 1658138496. Its totient is φ = 473460960.

The previous prime is 947214799. The next prime is 947214817. The reversal of 947214812 is 218412749.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947214817) 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 3 ways as a sum of consecutive naturals, for example, 21353 + ... + 48480.

It is an arithmetic number, because the mean of its divisors is an integer number (138178208).

Almost surely, 2^947214812 is an apocalyptic number.

It is an amenable number.

947214812 is a deficient number, since it is larger than the sum of its proper divisors (710923684).

947214812 is a wasteful number, since it uses less digits than its factorization.

947214812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73228 (or 73226 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 947214812 is about 30776.8551349874. The cubic root of 947214812 is about 982.0859400786.

The spelling of 947214812 in words is "nine hundred forty-seven million, two hundred fourteen thousand, eight hundred twelve".