99271332 has 144 divisors (see below), whose sum is σ = 277385472. Its totient is φ = 31000320.

The previous prime is 99271307. The next prime is 99271343. The reversal of 99271332 is 23317299.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1873018 + ... + 1873070.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 2^99271332 is an apocalyptic number.

It is a pronic number, being equal to 9963×9964.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99271332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138692736).

99271332 is an abundant number, since it is smaller than the sum of its proper divisors (178114140).

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

99271332 is a wasteful number, since it uses less digits than its factorization.

99271332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 146 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 99271332 is about 9963.4999874542. The cubic root of 99271332 is about 463.0287414887.

The spelling of 99271332 in words is "ninety-nine million, two hundred seventy-one thousand, three hundred thirty-two".