99810030 has 32 divisors (see below), whose sum is σ = 243475488. Its totient is φ = 26179200.

The previous prime is 99810023. The next prime is 99810047. The reversal of 99810030 is 3001899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 99810030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25441 + ... + 29100.

It is an arithmetic number, because the mean of its divisors is an integer number (7608609).

Almost surely, 2^99810030 is an apocalyptic number.

99810030 is an abundant number, since it is smaller than the sum of its proper divisors (143665458).

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

99810030 is a wasteful number, since it uses less digits than its factorization.

99810030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54612.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 99810030 is about 9990.4969846349. The cubic root of 99810030 is about 463.8647761672.

The spelling of 99810030 in words is "ninety-nine million, eight hundred ten thousand, thirty".