99985928 has 32 divisors (see below), whose sum is σ = 214617600. Its totient is φ = 42778752.

The previous prime is 99985927. The next prime is 99985973. The reversal of 99985928 is 82958999.

It is not an unprimeable number, because it can be changed into a prime (99985927) 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, 44201 + ... + 46407.

It is an arithmetic number, because the mean of its divisors is an integer number (6706800).

Almost surely, 2^99985928 is an apocalyptic number.

It is an amenable number.

99985928 is an abundant number, since it is smaller than the sum of its proper divisors (114631672).

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

99985928 is a wasteful number, since it uses less digits than its factorization.

99985928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 3025 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 59.

The square root of 99985928 is about 9999.2963752456. The cubic root of 99985928 is about 464.1371101939.

The spelling of 99985928 in words is "ninety-nine million, nine hundred eighty-five thousand, nine hundred twenty-eight".