947226646 has 8 divisors (see below), whose sum is σ = 1495621080. Its totient is φ = 448686288.

The previous prime is 947226617. The next prime is 947226659. The reversal of 947226646 is 646622749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 947226596 and 947226605.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12463471 + ... + 12463546.

It is an arithmetic number, because the mean of its divisors is an integer number (186952635).

Almost surely, 2^947226646 is an apocalyptic number.

947226646 is a deficient number, since it is larger than the sum of its proper divisors (548394434).

947226646 is a wasteful number, since it uses less digits than its factorization.

947226646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927038.

The product of its digits is 870912, while the sum is 46.

The square root of 947226646 is about 30777.0473892477. The cubic root of 947226646 is about 982.0900299487.

The spelling of 947226646 in words is "nine hundred forty-seven million, two hundred twenty-six thousand, six hundred forty-six".