99985296 has 80 divisors (see below), whose sum is σ = 287928000. Its totient is φ = 29712384.

The previous prime is 99985273. The next prime is 99985297. The reversal of 99985296 is 69258999.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (99985297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12280 + ... + 18728.

It is an arithmetic number, because the mean of its divisors is an integer number (3599100).

Almost surely, 2^99985296 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 99985296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143964000).

99985296 is an abundant number, since it is smaller than the sum of its proper divisors (187942704).

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

99985296 is a wasteful number, since it uses less digits than its factorization.

99985296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496 (or 6490 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 57.

The square root of 99985296 is about 9999.2647729721. The cubic root of 99985296 is about 464.1361322721.

The spelling of 99985296 in words is "ninety-nine million, nine hundred eighty-five thousand, two hundred ninety-six".