99738856 has 64 divisors (see below), whose sum is σ = 224686080. Its totient is φ = 40582080.

The previous prime is 99738827. The next prime is 99738869. The reversal of 99738856 is 65883799.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99738797 and 99738806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271585 + ... + 271951.

It is an arithmetic number, because the mean of its divisors is an integer number (3510720).

Almost surely, 2^99738856 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 99738856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112343040).

99738856 is an abundant number, since it is smaller than the sum of its proper divisors (124947224).

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

99738856 is a wasteful number, since it uses less digits than its factorization.

99738856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 610 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 99738856 is about 9986.9342643276. The cubic root of 99738856 is about 463.7544901157.

The spelling of 99738856 in words is "ninety-nine million, seven hundred thirty-eight thousand, eight hundred fifty-six".