99992928 has 144 divisors (see below), whose sum is σ = 316295280. Its totient is φ = 27546624.

The previous prime is 99992917. The next prime is 99992939. The reversal of 99992928 is 82929999.

It is an interprime number because it is at equal distance from previous prime (99992917) and next prime (99992939).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136050 + ... + 136782.

It is an arithmetic number, because the mean of its divisors is an integer number (2196495).

Almost surely, 2^99992928 is an apocalyptic number.

99992928 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99992928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158147640).

99992928 is an abundant number, since it is smaller than the sum of its proper divisors (216302352).

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

99992928 is a wasteful number, since it uses less digits than its factorization.

99992928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 774 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 57.

The square root of 99992928 is about 9999.6463937481. The cubic root of 99992928 is about 464.1479413313.

The spelling of 99992928 in words is "ninety-nine million, nine hundred ninety-two thousand, nine hundred twenty-eight".