99858028 has 6 divisors (see below), whose sum is σ = 174751556. Its totient is φ = 49929012.

The previous prime is 99858023. The next prime is 99858029. The reversal of 99858028 is 82085899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99858023) by changing a digit.

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 as a sum of consecutive naturals, namely, 12482250 + ... + 12482257.

Almost surely, 2^99858028 is an apocalyptic number.

It is an amenable number.

99858028 is a deficient number, since it is larger than the sum of its proper divisors (74893528).

99858028 is a wasteful number, since it uses less digits than its factorization.

99858028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24964511 (or 24964509 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 99858028 is about 9992.8988787038. The cubic root of 99858028 is about 463.9391207780.

The spelling of 99858028 in words is "ninety-nine million, eight hundred fifty-eight thousand, twenty-eight".