99705208 has 8 divisors (see below), whose sum is σ = 186947280. Its totient is φ = 49852600.

The previous prime is 99705191. The next prime is 99705209. The reversal of 99705208 is 80250799.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×99705208² = 19882257004646528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99705209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6231568 + ... + 6231583.

It is an arithmetic number, because the mean of its divisors is an integer number (23368410).

Almost surely, 2^99705208 is an apocalyptic number.

It is an amenable number.

99705208 is a deficient number, since it is larger than the sum of its proper divisors (87242072).

99705208 is a wasteful number, since it uses less digits than its factorization.

99705208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463157 (or 12463153 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 99705208 is about 9985.2495211687. The cubic root of 99705208 is about 463.7023333575.

The spelling of 99705208 in words is "ninety-nine million, seven hundred five thousand, two hundred eight".