99989206 has 16 divisors (see below), whose sum is σ = 159001920. Its totient is φ = 46995840.

The previous prime is 99989179. The next prime is 99989209. The reversal of 99989206 is 60298999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40660 + ... + 43048.

It is an arithmetic number, because the mean of its divisors is an integer number (9937620).

Almost surely, 2^99989206 is an apocalyptic number.

99989206 is a deficient number, since it is larger than the sum of its proper divisors (59012714).

99989206 is a wasteful number, since it uses less digits than its factorization.

99989206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 99989206 is about 9999.4602854354. The cubic root of 99989206 is about 464.1421823237.

The spelling of 99989206 in words is "ninety-nine million, nine hundred eighty-nine thousand, two hundred six".