947084640 has 192 divisors, whose sum is σ = 3171571200. Its totient is φ = 236888064.

The previous prime is 947084629. The next prime is 947084647. The reversal of 947084640 is 46480749.

947084640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 947084592 and 947084601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947084647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030101 + ... + 1031019.

It is an arithmetic number, because the mean of its divisors is an integer number (16518600).

Almost surely, 2^947084640 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 947084640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585785600).

947084640 is an abundant number, since it is smaller than the sum of its proper divisors (2224486560).

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

947084640 is a wasteful number, since it uses less digits than its factorization.

947084640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 947084640 is about 30774.7402913493. The cubic root of 947084640 is about 982.0409499504.

The spelling of 947084640 in words is "nine hundred forty-seven million, eighty-four thousand, six hundred forty".