947453056 has 64 divisors (see below), whose sum is σ = 2107116000. Its totient is φ = 420618240.

The previous prime is 947453047. The next prime is 947453071. The reversal of 947453056 is 650354749.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52720 + ... + 68368.

Almost surely, 2^947453056 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 947453056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053558000).

947453056 is an abundant number, since it is smaller than the sum of its proper divisors (1159662944).

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

947453056 is a wasteful number, since it uses less digits than its factorization.

947453056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717 (or 15705 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 947453056 is about 30780.7253975601. The cubic root of 947453056 is about 982.1682714449.

The spelling of 947453056 in words is "nine hundred forty-seven million, four hundred fifty-three thousand, fifty-six".