99600000 has 192 divisors, whose sum is σ = 334666080. Its totient is φ = 26240000.

The previous prime is 99599999. The next prime is 99600001. The reversal of 99600000 is 699.

It is an interprime number because it is at equal distance from previous prime (99599999) and next prime (99600001).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99600001) 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, 1199959 + ... + 1200041.

Almost surely, 2^99600000 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 99600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167333040).

99600000 is an abundant number, since it is smaller than the sum of its proper divisors (235066080).

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

99600000 is an frugal number, since it uses more digits than its factorization.

99600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 99600000 is about 9979.9799598997. The cubic root of 99600000 is about 463.5391778402.

Adding to 99600000 its reverse (699), we get a palindrome (99600699).

The spelling of 99600000 in words is "ninety-nine million, six hundred thousand".