947914985 has 16 divisors (see below), whose sum is σ = 1256777856. Its totient is φ = 682691328.

The previous prime is 947914907. The next prime is 947914987. The reversal of 947914985 is 589419749.

947914985 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 947914985 - 2¹⁸ = 947652841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 947914985.

It is not an unprimeable number, because it can be changed into a prime (947914987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240479 + ... + 244388.

It is an arithmetic number, because the mean of its divisors is an integer number (78548616).

Almost surely, 2^947914985 is an apocalyptic number.

It is an amenable number.

947914985 is a deficient number, since it is larger than the sum of its proper divisors (308862871).

947914985 is a wasteful number, since it uses less digits than its factorization.

947914985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484912.

The product of its digits is 3265920, while the sum is 56.

The square root of 947914985 is about 30788.2280263090. The cubic root of 947914985 is about 982.3278636246.

The spelling of 947914985 in words is "nine hundred forty-seven million, nine hundred fourteen thousand, nine hundred eighty-five".