99728950 has 48 divisors (see below), whose sum is σ = 190769040. Its totient is φ = 38776320.

The previous prime is 99728927. The next prime is 99728957. The reversal of 99728950 is 5982799.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99728894 and 99728903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99728957) 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 in 23 ways as a sum of consecutive naturals, for example, 324697 + ... + 325003.

It is an arithmetic number, because the mean of its divisors is an integer number (3974355).

Almost surely, 2^99728950 is an apocalyptic number.

99728950 is a deficient number, since it is larger than the sum of its proper divisors (91040090).

99728950 is a wasteful number, since it uses less digits than its factorization.

99728950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 99728950 is about 9986.4383040201. The cubic root of 99728950 is about 463.7391363400.

The spelling of 99728950 in words is "ninety-nine million, seven hundred twenty-eight thousand, nine hundred fifty".