99859152 has 80 divisors (see below), whose sum is σ = 269714880. Its totient is φ = 31804416.

The previous prime is 99859147. The next prime is 99859159. The reversal of 99859152 is 25195899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99859159) 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, 104308 + ... + 105260.

It is an arithmetic number, because the mean of its divisors is an integer number (3371436).

Almost surely, 2^99859152 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 99859152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134857440).

99859152 is an abundant number, since it is smaller than the sum of its proper divisors (169855728).

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

99859152 is a wasteful number, since it uses less digits than its factorization.

99859152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1054 counting only the distinct ones).

The product of its digits is 291600, while the sum is 48.

The square root of 99859152 is about 9992.9551184822. The cubic root of 99859152 is about 463.9408614680.

The spelling of 99859152 in words is "ninety-nine million, eight hundred fifty-nine thousand, one hundred fifty-two".