99996800 has 48 divisors (see below), whose sum is σ = 247031250. Its totient is φ = 39997440.

The previous prime is 99996797. The next prime is 99996803. The reversal of 99996800 is 869999.

It is an interprime number because it is at equal distance from previous prime (99996797) and next prime (99996803).

It can be written as a sum of positive squares in 3 ways, for example, as 80425024 + 19571776 = 8968^2 + 4424^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (99996803) 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 5 ways as a sum of consecutive naturals, for example, 12425 + ... + 18824.

Almost surely, 2^99996800 is an apocalyptic number.

It is an amenable number.

99996800 is an abundant number, since it is smaller than the sum of its proper divisors (147034450).

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

99996800 is a wasteful number, since it uses less digits than its factorization.

99996800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31273 (or 31256 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 99996800 is about 9999.8399987200. The cubic root of 99996800 is about 464.1539322804.

The spelling of 99996800 in words is "ninety-nine million, nine hundred ninety-six thousand, eight hundred".