9847972946 has 32 divisors (see below), whose sum is σ = 17597796480. Its totient is φ = 4043894400.

The previous prime is 9847972943. The next prime is 9847972963. The reversal of 9847972946 is 6492797489.

It is a super-2 number, since 2×9847972946² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9847972943) 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, 39395 + ... + 145766.

It is an arithmetic number, because the mean of its divisors is an integer number (549931140).

Almost surely, 2^9847972946 is an apocalyptic number.

9847972946 is a deficient number, since it is larger than the sum of its proper divisors (7749823534).

9847972946 is a wasteful number, since it uses less digits than its factorization.

9847972946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185330.

The product of its digits is 54867456, while the sum is 65.

The square root of 9847972946 is about 99236.9535304264. The cubic root of 9847972946 is about 2143.4611462379.

The spelling of 9847972946 in words is "nine billion, eight hundred forty-seven million, nine hundred seventy-two thousand, nine hundred forty-six".