99950988 has 24 divisors (see below), whose sum is σ = 234788400. Its totient is φ = 33092800.

The previous prime is 99950987. The next prime is 99951013. The reversal of 99950988 is 88905999.

It is a super-2 number, since 2×99950988² = 19980400004352288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99950987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26163 + ... + 29738.

It is an arithmetic number, because the mean of its divisors is an integer number (9782850).

Almost surely, 2^99950988 is an apocalyptic number.

It is an amenable number.

99950988 is an abundant number, since it is smaller than the sum of its proper divisors (134837412).

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

99950988 is a wasteful number, since it uses less digits than its factorization.

99950988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56057 (or 56055 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 57.

The square root of 99950988 is about 9997.5490996544. The cubic root of 99950988 is about 464.0830397851.

The spelling of 99950988 in words is "ninety-nine million, nine hundred fifty thousand, nine hundred eighty-eight".