9726984 has 48 divisors (see below), whose sum is σ = 26851500. Its totient is φ = 3179904.

The previous prime is 9726973. The next prime is 9726989. The reversal of 9726984 is 4896279.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8468100 + 1258884 = 2910^2 + 1122^2 .

It is a super-2 number, since 2×9726984² = 189228435472512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9726989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2542 + ... + 5090.

Almost surely, 2^9726984 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 9726984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13425750).

9726984 is an abundant number, since it is smaller than the sum of its proper divisors (17124516).

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

9726984 is a wasteful number, since it uses less digits than its factorization.

9726984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2607 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 9726984 is about 3118.8113120226. The cubic root of 9726984 is about 213.4646999064.

The spelling of 9726984 in words is "nine million, seven hundred twenty-six thousand, nine hundred eighty-four".