99211528 has 32 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 45453888.

The previous prime is 99211517. The next prime is 99211537. The reversal of 99211528 is 82511299.

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 7 ways as a sum of consecutive naturals, for example, 11025 + ... + 17887.

It is an arithmetic number, because the mean of its divisors is an integer number (6306300).

Almost surely, 2^99211528 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 99211528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100900800).

99211528 is an abundant number, since it is smaller than the sum of its proper divisors (102590072).

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

99211528 is a wasteful number, since it uses less digits than its factorization.

99211528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021 (or 7017 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 99211528 is about 9960.4983811052. The cubic root of 99211528 is about 462.9357420538.

It can be divided in two parts, 9921 and 1528, that added together give a square (11449 = 107²).

The spelling of 99211528 in words is "ninety-nine million, two hundred eleven thousand, five hundred twenty-eight".