9899372 has 36 divisors (see below), whose sum is σ = 21344904. Its totient is φ = 3991680.

The previous prime is 9899371. The next prime is 9899377. The reversal of 9899372 is 2739989.

9899372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9899371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1847 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (592914).

Almost surely, 2^9899372 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 9899372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10672452).

9899372 is an abundant number, since it is smaller than the sum of its proper divisors (11445532).

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

9899372 is a wasteful number, since it uses less digits than its factorization.

9899372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 2997 counting only the distinct ones).

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

The square root of 9899372 is about 3146.3267471768. The cubic root of 9899372 is about 214.7183765368.

The spelling of 9899372 in words is "nine million, eight hundred ninety-nine thousand, three hundred seventy-two".