947464128 has 280 divisors, whose sum is σ = 3206416752. Its totient is φ = 274046976.

The previous prime is 947464123. The next prime is 947464151. The reversal of 947464128 is 821464749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947464123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1145251 + ... + 1146077.

Almost surely, 2^947464128 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 947464128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603208376).

947464128 is an abundant number, since it is smaller than the sum of its proper divisors (2258952624).

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

947464128 is a wasteful number, since it uses less digits than its factorization.

947464128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 862 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 947464128 is about 30780.9052498460. The cubic root of 947464128 is about 982.1720973248.

The spelling of 947464128 in words is "nine hundred forty-seven million, four hundred sixty-four thousand, one hundred twenty-eight".