9999792 has 120 divisors (see below), whose sum is σ = 31337280. Its totient is φ = 2951040.

The previous prime is 9999761. The next prime is 9999823. The reversal of 9999792 is 2979999.

It is an interprime number because it is at equal distance from previous prime (9999761) and next prime (9999823).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93403 + ... + 93509.

It is an arithmetic number, because the mean of its divisors is an integer number (261144).

Almost surely, 2^9999792 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 9999792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15668640).

9999792 is an abundant number, since it is smaller than the sum of its proper divisors (21337488).

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

9999792 is a wasteful number, since it uses less digits than its factorization.

9999792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 182 counting only the distinct ones).

The product of its digits is 826686, while the sum is 54.

The square root of 9999792 is about 3162.2447723097. The cubic root of 9999792 is about 215.4419752514.

The spelling of 9999792 in words is "nine million, nine hundred ninety-nine thousand, seven hundred ninety-two".