99855250 has 48 divisors (see below), whose sum is σ = 205529688. Its totient is φ = 36300000.

The previous prime is 99855211. The next prime is 99855251. The reversal of 99855250 is 5255899.

It can be written as a sum of positive squares in 4 ways, for example, as 16297369 + 83557881 = 4037^2 + 9141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99855197 and 99855206.

It is not an unprimeable number, because it can be changed into a prime (99855251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28600 + ... + 31900.

Almost surely, 2^99855250 is an apocalyptic number.

99855250 is an abundant number, since it is smaller than the sum of its proper divisors (105674438).

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

99855250 is a wasteful number, since it uses less digits than its factorization.

99855250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 99855250 is about 9992.7598790324. The cubic root of 99855250 is about 463.9348185540.

The spelling of 99855250 in words is "ninety-nine million, eight hundred fifty-five thousand, two hundred fifty".