99888330 has 16 divisors (see below), whose sum is σ = 239732064. Its totient is φ = 26636880.

The previous prime is 99888253. The next prime is 99888331. The reversal of 99888330 is 3388899.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99888330.

It is not an unprimeable number, because it can be changed into a prime (99888331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664776 + ... + 1664835.

It is an arithmetic number, because the mean of its divisors is an integer number (14983254).

Almost surely, 2^99888330 is an apocalyptic number.

99888330 is an abundant number, since it is smaller than the sum of its proper divisors (139843734).

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

99888330 is a wasteful number, since it uses less digits than its factorization.

99888330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329621.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 99888330 is about 9994.4149403554. The cubic root of 99888330 is about 463.9860436002.

The spelling of 99888330 in words is "ninety-nine million, eight hundred eighty-eight thousand, three hundred thirty".