99948186 has 48 divisors (see below), whose sum is σ = 235577160. Its totient is φ = 30441600.

The previous prime is 99948131. The next prime is 99948187. The reversal of 99948186 is 68184999.

It can be written as a sum of positive squares in 4 ways, for example, as 99500625 + 447561 = 9975^2 + 669^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99948187) 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, 21520 + ... + 25748.

Almost surely, 2^99948186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99948186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117788580).

99948186 is an abundant number, since it is smaller than the sum of its proper divisors (135628974).

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

99948186 is a wasteful number, since it uses less digits than its factorization.

99948186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4348 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 99948186 is about 9997.4089643267. The cubic root of 99948186 is about 464.0787030835.

The spelling of 99948186 in words is "ninety-nine million, nine hundred forty-eight thousand, one hundred eighty-six".