9921468 has 24 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 3275824.

The previous prime is 9921449. The next prime is 9921473. The reversal of 9921468 is 8641299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (973728).

Almost surely, 2^9921468 is an apocalyptic number.

It is an amenable number.

9921468 is an abundant number, since it is smaller than the sum of its proper divisors (13448004).

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

9921468 is a wasteful number, since it uses less digits than its factorization.

9921468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841 (or 7839 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 9921468 is about 3149.8361862167. The cubic root of 9921468 is about 214.8780126456.

The spelling of 9921468 in words is "nine million, nine hundred twenty-one thousand, four hundred sixty-eight".