99996400 has 120 divisors (see below), whose sum is σ = 278982144. Its totient is φ = 33734400.

The previous prime is 99996389. The next prime is 99996409. The reversal of 99996400 is 469999.

It is a happy number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99996409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198549 + ... + 199051.

Almost surely, 2^99996400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99996400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139491072).

99996400 is an abundant number, since it is smaller than the sum of its proper divisors (178985744).

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

99996400 is a wasteful number, since it uses less digits than its factorization.

99996400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 99996400 is about 9999.8199983800. The cubic root of 99996400 is about 464.1533133878.

The spelling of 99996400 in words is "ninety-nine million, nine hundred ninety-six thousand, four hundred".