99986530 has 32 divisors (see below), whose sum is σ = 206035200. Its totient is φ = 34223040.

The previous prime is 99986527. The next prime is 99986539. The reversal of 99986530 is 3568999.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99986539) 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, 70771 + ... + 72169.

It is an arithmetic number, because the mean of its divisors is an integer number (6438600).

Almost surely, 2^99986530 is an apocalyptic number.

99986530 is an abundant number, since it is smaller than the sum of its proper divisors (106048670).

99986530 is a wasteful number, since it uses less digits than its factorization.

99986530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 99986530 is about 9999.3264773184. The cubic root of 99986530 is about 464.1380416916.

The spelling of 99986530 in words is "ninety-nine million, nine hundred eighty-six thousand, five hundred thirty".