99080320 has 128 divisors (see below), whose sum is σ = 253808640. Its totient is φ = 36900864.

The previous prime is 99080291. The next prime is 99080323. The reversal of 99080320 is 2308099.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×99080320² = 19633819622604800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99080323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 780097 + ... + 780223.

It is an arithmetic number, because the mean of its divisors is an integer number (1982880).

Almost surely, 2^99080320 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 99080320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126904320).

99080320 is an abundant number, since it is smaller than the sum of its proper divisors (154728320).

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

99080320 is a wasteful number, since it uses less digits than its factorization.

99080320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 99080320 is about 9953.9097846022. The cubic root of 99080320 is about 462.7315733430.

The spelling of 99080320 in words is "ninety-nine million, eighty thousand, three hundred twenty".