947488401 has 8 divisors (see below), whose sum is σ = 1403686560. Its totient is φ = 631658916.

The previous prime is 947488363. The next prime is 947488403. The reversal of 947488401 is 104884749.

It is a de Polignac number, because none of the positive numbers 2^k-947488401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (947488403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17546055 + ... + 17546108.

It is an arithmetic number, because the mean of its divisors is an integer number (175460820).

Almost surely, 2^947488401 is an apocalyptic number.

It is an amenable number.

947488401 is a deficient number, since it is larger than the sum of its proper divisors (456198159).

947488401 is a wasteful number, since it uses less digits than its factorization.

947488401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35092172 (or 35092166 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 947488401 is about 30781.2995339703. The cubic root of 947488401 is about 982.1804846466.

The spelling of 947488401 in words is "nine hundred forty-seven million, four hundred eighty-eight thousand, four hundred one".