947840512 has 40 divisors (see below), whose sum is σ = 1899097200. Its totient is φ = 472602624.

The previous prime is 947840503. The next prime is 947840519. The reversal of 947840512 is 215048749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947840519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196789 + ... + 201547.

It is an arithmetic number, because the mean of its divisors is an integer number (47477430).

Almost surely, 2^947840512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947840512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949548600).

947840512 is an abundant number, since it is smaller than the sum of its proper divisors (951256688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947840512 is an equidigital number, since it uses as much as digits as its factorization.

947840512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166 (or 5150 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 947840512 is about 30787.0185630243. The cubic root of 947840512 is about 982.3021374009.

The spelling of 947840512 in words is "nine hundred forty-seven million, eight hundred forty thousand, five hundred twelve".