99986600 has 48 divisors (see below), whose sum is σ = 265682400. Its totient is φ = 34280640.

The previous prime is 99986597. The next prime is 99986609. The reversal of 99986600 is 668999.

It is a happy number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99986609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34310 + ... + 37109.

It is an arithmetic number, because the mean of its divisors is an integer number (5535050).

Almost surely, 2^99986600 is an apocalyptic number.

It is an amenable number.

99986600 is an abundant number, since it is smaller than the sum of its proper divisors (165695800).

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

99986600 is a wasteful number, since it uses less digits than its factorization.

99986600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71442 (or 71433 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 99986600 is about 9999.3299775535. The cubic root of 99986600 is about 464.1381500050.

The spelling of 99986600 in words is "ninety-nine million, nine hundred eighty-six thousand, six hundred".