947915464 has 16 divisors (see below), whose sum is σ = 1803870000. Its totient is φ = 466883472.

The previous prime is 947915429. The next prime is 947915471. The reversal of 947915464 is 464519749.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883714 + ... + 884785.

It is an arithmetic number, because the mean of its divisors is an integer number (112741875).

Almost surely, 2^947915464 is an apocalyptic number.

It is an amenable number.

947915464 is a deficient number, since it is larger than the sum of its proper divisors (855954536).

947915464 is a wasteful number, since it uses less digits than its factorization.

947915464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768572 (or 1768568 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 947915464 is about 30788.2358052552. The cubic root of 947915464 is about 982.3280290877.

The spelling of 947915464 in words is "nine hundred forty-seven million, nine hundred fifteen thousand, four hundred sixty-four".