99328712 has 64 divisors (see below), whose sum is σ = 227404800. Its totient is φ = 39755520.

The previous prime is 99328703. The next prime is 99328721. The reversal of 99328712 is 21782399.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99328703) and next prime (99328721).

It is a self number, because there is not a number n which added to its sum of digits gives 99328712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49358 + ... + 51330.

It is an arithmetic number, because the mean of its divisors is an integer number (3553200).

Almost surely, 2^99328712 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 99328712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113702400).

99328712 is an abundant number, since it is smaller than the sum of its proper divisors (128076088).

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

99328712 is a wasteful number, since it uses less digits than its factorization.

99328712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2042 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 99328712 is about 9966.3790816926. The cubic root of 99328712 is about 463.1179363291.

The spelling of 99328712 in words is "ninety-nine million, three hundred twenty-eight thousand, seven hundred twelve".