9890323972 has 12 divisors (see below), whose sum is σ = 17308811520. Its totient is φ = 4944949256.

The previous prime is 9890323969. The next prime is 9890323981. The reversal of 9890323972 is 2793230989.

It is a super-2 number, since 2×9890323972² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101253 + ... + 173299.

It is an arithmetic number, because the mean of its divisors is an integer number (1442400960).

Almost surely, 2^9890323972 is an apocalyptic number.

It is an amenable number.

9890323972 is a deficient number, since it is larger than the sum of its proper divisors (7418487548).

9890323972 is a wasteful number, since it uses less digits than its factorization.

9890323972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106370 (or 106368 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 9890323972 is about 99450.1079536870. The cubic root of 9890323972 is about 2146.5293904967.

The spelling of 9890323972 in words is "nine billion, eight hundred ninety million, three hundred twenty-three thousand, nine hundred seventy-two".