9997792 has 24 divisors (see below), whose sum is σ = 22495536. Its totient is φ = 4284672.

The previous prime is 9997787. The next prime is 9997817. The reversal of 9997792 is 2977999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22093 + ... + 22540.

It is an arithmetic number, because the mean of its divisors is an integer number (937314).

Almost surely, 2^9997792 is an apocalyptic number.

It is an amenable number.

9997792 is an abundant number, since it is smaller than the sum of its proper divisors (12497744).

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

9997792 is a wasteful number, since it uses less digits than its factorization.

9997792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44650 (or 44642 counting only the distinct ones).

The product of its digits is 642978, while the sum is 52.

The square root of 9997792 is about 3161.9285254414. The cubic root of 9997792 is about 215.4276111967.

The spelling of 9997792 in words is "nine million, nine hundred ninety-seven thousand, seven hundred ninety-two".