99988230 has 64 divisors (see below), whose sum is σ = 249739200. Its totient is φ = 25589760.

The previous prime is 99988219. The next prime is 99988247. The reversal of 99988230 is 3288999.

It is a super-2 number, since 2×99988230² = 19995292277065800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99988230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244266 + ... + 244674.

It is an arithmetic number, because the mean of its divisors is an integer number (3902175).

Almost surely, 2^99988230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99988230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124869600).

99988230 is an abundant number, since it is smaller than the sum of its proper divisors (149750970).

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

99988230 is a wasteful number, since it uses less digits than its factorization.

99988230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 99988230 is about 9999.4114826824. The cubic root of 99988230 is about 464.1406721466.

The spelling of 99988230 in words is "ninety-nine million, nine hundred eighty-eight thousand, two hundred thirty".