99897300 has 108 divisors (see below), whose sum is σ = 324798656. Its totient is φ = 26632800.

The previous prime is 99897289. The next prime is 99897313. The reversal of 99897300 is 379899.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22245 + ... + 26355.

Almost surely, 2^99897300 is an apocalyptic number.

99897300 is a gapful number since it is divisible by the number (90) 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 99897300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162399328).

99897300 is an abundant number, since it is smaller than the sum of its proper divisors (224901356).

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

99897300 is a wasteful number, since it uses less digits than its factorization.

99897300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4121 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 99897300 is about 9994.8636809113. The cubic root of 99897300 is about 463.9999318767. Note that the first 4 decimals are identical.

The spelling of 99897300 in words is "ninety-nine million, eight hundred ninety-seven thousand, three hundred".