99309852 has 72 divisors (see below), whose sum is σ = 267242976. Its totient is φ = 30987264.

The previous prime is 99309839. The next prime is 99309853. The reversal of 99309852 is 25890399.

It is a junction number, because it is equal to n+sod(n) for n = 99309798 and 99309807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99309853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160648 + ... + 161264.

It is an arithmetic number, because the mean of its divisors is an integer number (3711708).

Almost surely, 2^99309852 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 99309852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133621488).

99309852 is an abundant number, since it is smaller than the sum of its proper divisors (167933124).

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

99309852 is a wasteful number, since it uses less digits than its factorization.

99309852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 99309852 is about 9965.4328556265. The cubic root of 99309852 is about 463.0886230286.

The spelling of 99309852 in words is "ninety-nine million, three hundred nine thousand, eight hundred fifty-two".