948309971 has 4 divisors (see below), whose sum is σ = 1083782832. Its totient is φ = 812837112.

The previous prime is 948309961. The next prime is 948309983. The reversal of 948309971 is 179903849.

948309971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948309971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948309911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67736420 + ... + 67736433.

It is an arithmetic number, because the mean of its divisors is an integer number (270945708).

Almost surely, 2^948309971 is an apocalyptic number.

948309971 is a deficient number, since it is larger than the sum of its proper divisors (135472861).

948309971 is a wasteful number, since it uses less digits than its factorization.

948309971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135472860.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 948309971 is about 30794.6419203081. The cubic root of 948309971 is about 982.4642865034.

The spelling of 948309971 in words is "nine hundred forty-eight million, three hundred nine thousand, nine hundred seventy-one".