99989205 has 8 divisors (see below), whose sum is σ = 159982752. Its totient is φ = 53327568.

The previous prime is 99989179. The next prime is 99989209. The reversal of 99989205 is 50298999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99989205 - 2¹⁶ = 99923669 is a prime.

It is a super-2 number, since 2×99989205² = 19995682233064050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 3332959 + ... + 3332988.

It is an arithmetic number, because the mean of its divisors is an integer number (19997844).

Almost surely, 2^99989205 is an apocalyptic number.

It is an amenable number.

99989205 is a deficient number, since it is larger than the sum of its proper divisors (59993547).

99989205 is a wasteful number, since it uses less digits than its factorization.

99989205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665955.

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 99989205 is about 9999.4602354327. The cubic root of 99989205 is about 464.1421807764.

The spelling of 99989205 in words is "ninety-nine million, nine hundred eighty-nine thousand, two hundred five".