9997832 has 32 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 4584000.

The previous prime is 9997831. The next prime is 9997859. The reversal of 9997832 is 2387999.

It is not an unprimeable number, because it can be changed into a prime (9997831) 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, 25913 + ... + 26295.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^9997832 is an apocalyptic number.

It is an amenable number.

9997832 is an abundant number, since it is smaller than the sum of its proper divisors (10323448).

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

9997832 is a wasteful number, since it uses less digits than its factorization.

9997832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 649 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 9997832 is about 3161.9348506887. The cubic root of 9997832 is about 215.4278984965.

The spelling of 9997832 in words is "nine million, nine hundred ninety-seven thousand, eight hundred thirty-two".