99320328 has 24 divisors (see below), whose sum is σ = 268992750. Its totient is φ = 33106752.

The previous prime is 99320297. The next prime is 99320329. The reversal of 99320328 is 82302399.

99320328 is a `hidden beast` number, since 9 + 9 + 320 + 328 = 666.

It can be written as a sum of positive squares in only one way, i.e., 90212004 + 9108324 = 9498^2 + 3018^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 99320292 and 99320301.

It is not an unprimeable number, because it can be changed into a prime (99320329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689653 + ... + 689796.

Almost surely, 2^99320328 is an apocalyptic number.

It is an amenable number.

99320328 is an abundant number, since it is smaller than the sum of its proper divisors (169672422).

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

99320328 is a wasteful number, since it uses less digits than its factorization.

99320328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379461 (or 1379454 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 99320328 is about 9965.9584586732. The cubic root of 99320328 is about 463.1049058906.

It can be divided in two parts, 993 and 20328, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 99320328 in words is "ninety-nine million, three hundred twenty thousand, three hundred twenty-eight".