971806960 has 20 divisors (see below), whose sum is σ = 2259451368. Its totient is φ = 388722752.

The previous prime is 971806949. The next prime is 971806967. The reversal of 971806960 is 69608179.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×971806960³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 971806960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971806967) 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, 6073714 + ... + 6073873.

Almost surely, 2^971806960 is an apocalyptic number.

It is an amenable number.

971806960 is an abundant number, since it is smaller than the sum of its proper divisors (1287644408).

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

971806960 is a wasteful number, since it uses less digits than its factorization.

971806960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12147600 (or 12147594 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 971806960 is about 31173.8185020700. The cubic root of 971806960 is about 990.5125937798.

The spelling of 971806960 in words is "nine hundred seventy-one million, eight hundred six thousand, nine hundred sixty".