99023728 has 10 divisors (see below), whose sum is σ = 191858504. Its totient is φ = 49511856.

The previous prime is 99023723. The next prime is 99023747. The reversal of 99023728 is 82732099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99023723) 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, 3094476 + ... + 3094507.

Almost surely, 2^99023728 is an apocalyptic number.

It is an amenable number.

99023728 is a deficient number, since it is larger than the sum of its proper divisors (92834776).

99023728 is a wasteful number, since it uses less digits than its factorization.

99023728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188991 (or 6188985 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 99023728 is about 9951.0666764925. The cubic root of 99023728 is about 462.6434566429.

The spelling of 99023728 in words is "ninety-nine million, twenty-three thousand, seven hundred twenty-eight".