9397956984 has 64 divisors (see below), whose sum is σ = 25382276640. Its totient is φ = 2882526720.

The previous prime is 9397956959. The next prime is 9397956989. The reversal of 9397956984 is 4896597939.

It is a super-2 number, since 2×9397956984² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9397956989) 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, 51394 + ... + 146414.

Almost surely, 2^9397956984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9397956984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12691138320).

9397956984 is an abundant number, since it is smaller than the sum of its proper divisors (15984319656).

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

9397956984 is a wasteful number, since it uses less digits than its factorization.

9397956984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95360 (or 95356 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 69.

The square root of 9397956984 is about 96943.0605252382. The cubic root of 9397956984 is about 2110.3013865363.

The spelling of 9397956984 in words is "nine billion, three hundred ninety-seven million, nine hundred fifty-six thousand, nine hundred eighty-four".