99995900 has 18 divisors (see below), whose sum is σ = 216991320. Its totient is φ = 39998320.

The previous prime is 99995899. The next prime is 99995923. The reversal of 99995900 is 959999.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499880 + ... + 500079.

Almost surely, 2^99995900 is an apocalyptic number.

It is an amenable number.

99995900 is an abundant number, since it is smaller than the sum of its proper divisors (116995420).

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

99995900 is a wasteful number, since it uses less digits than its factorization.

99995900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999973 (or 999966 counting only the distinct ones).

The product of its (nonzero) digits is 295245, while the sum is 50.

The square root of 99995900 is about 9999.7949978987. The cubic root of 99995900 is about 464.1525397698.

The spelling of 99995900 in words is "ninety-nine million, nine hundred ninety-five thousand, nine hundred".