972985660 has 48 divisors (see below), whose sum is σ = 2103506496. Its totient is φ = 377874432.

The previous prime is 972985613. The next prime is 972985669. The reversal of 972985660 is 66589279.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 972985598 and 972985607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972985669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98089 + ... + 107551.

It is an arithmetic number, because the mean of its divisors is an integer number (43823052).

Almost surely, 2^972985660 is an apocalyptic number.

It is an amenable number.

972985660 is an abundant number, since it is smaller than the sum of its proper divisors (1130520836).

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

972985660 is a wasteful number, since it uses less digits than its factorization.

972985660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622 (or 9620 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 972985660 is about 31192.7180604705. The cubic root of 972985660 is about 990.9128946402.

The spelling of 972985660 in words is "nine hundred seventy-two million, nine hundred eighty-five thousand, six hundred sixty".