99885628 has 12 divisors (see below), whose sum is σ = 180827640. Its totient is φ = 48220592.

The previous prime is 99885623. The next prime is 99885629. The reversal of 99885628 is 82658899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99885623) 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 3 ways as a sum of consecutive naturals, for example, 430426 + ... + 430657.

It is an arithmetic number, because the mean of its divisors is an integer number (15068970).

Almost surely, 2^99885628 is an apocalyptic number.

It is an amenable number.

99885628 is a deficient number, since it is larger than the sum of its proper divisors (80942012).

99885628 is a wasteful number, since it uses less digits than its factorization.

99885628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861116 (or 861114 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 99885628 is about 9994.2797639450. The cubic root of 99885628 is about 463.9818599230.

The spelling of 99885628 in words is "ninety-nine million, eight hundred eighty-five thousand, six hundred twenty-eight".