947489108 has 6 divisors (see below), whose sum is σ = 1658105946. Its totient is φ = 473744552.

The previous prime is 947489099. The next prime is 947489111. The reversal of 947489108 is 801984749.

It can be written as a sum of positive squares in only one way, i.e., 935014084 + 12475024 = 30578^2 + 3532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118436135 + ... + 118436142.

It is an arithmetic number, because the mean of its divisors is an integer number (276350991).

Almost surely, 2^947489108 is an apocalyptic number.

It is an amenable number.

947489108 is a deficient number, since it is larger than the sum of its proper divisors (710616838).

947489108 is a wasteful number, since it uses less digits than its factorization.

947489108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236872281 (or 236872279 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 947489108 is about 30781.3110182136. The cubic root of 947489108 is about 982.1807289421.

The spelling of 947489108 in words is "nine hundred forty-seven million, four hundred eighty-nine thousand, one hundred eight".