99997300 has 108 divisors (see below), whose sum is σ = 241284036. Its totient is φ = 35942400.

The previous prime is 99997267. The next prime is 99997357. The reversal of 99997300 is 379999.

It can be written as a sum of positive squares in 18 ways, for example, as 99440784 + 556516 = 9972^2 + 746^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 1030852 + ... + 1030948.

Almost surely, 2^99997300 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 99997300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120642018).

99997300 is an abundant number, since it is smaller than the sum of its proper divisors (141286736).

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

99997300 is a wasteful number, since it uses less digits than its factorization.

99997300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 137781, while the sum is 46.

The square root of 99997300 is about 9999.8649990887. The cubic root of 99997300 is about 464.1547058937.

The spelling of 99997300 in words is "ninety-nine million, nine hundred ninety-seven thousand, three hundred".