9921296 has 40 divisors (see below), whose sum is σ = 23968704. Its totient is φ = 3864960.

The previous prime is 9921283. The next prime is 9921299. The reversal of 9921296 is 6921299.

It is a super-2 number, since 2×9921296² = 196864228639232, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9921299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795 + ... + 5258.

Almost surely, 2^9921296 is an apocalyptic number.

It is an amenable number.

9921296 is an abundant number, since it is smaller than the sum of its proper divisors (14047408).

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

9921296 is a wasteful number, since it uses less digits than its factorization.

9921296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079 (or 8073 counting only the distinct ones).

The product of its digits is 17496, while the sum is 38.

The square root of 9921296 is about 3149.8088830912. The cubic root of 9921296 is about 214.8767709197.

It can be divided in two parts, 99 and 21296, that multiplied together give a square (2108304 = 1452²).

The spelling of 9921296 in words is "nine million, nine hundred twenty-one thousand, two hundred ninety-six".