99597036 has 144 divisors (see below), whose sum is σ = 300303360. Its totient is φ = 25132800.

The previous prime is 99597023. The next prime is 99597037. The reversal of 99597036 is 63079599.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99597037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 416605 + ... + 416843.

It is an arithmetic number, because the mean of its divisors is an integer number (2085440).

Almost surely, 2^99597036 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 99597036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150151680).

99597036 is an abundant number, since it is smaller than the sum of its proper divisors (200706324).

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

99597036 is a wasteful number, since it uses less digits than its factorization.

99597036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 99597036 is about 9979.8314615027. The cubic root of 99597036 is about 463.5345796348.

The spelling of 99597036 in words is "ninety-nine million, five hundred ninety-seven thousand, thirty-six".