99690306 has 8 divisors (see below), whose sum is σ = 199380624. Its totient is φ = 33230100.

The previous prime is 99690299. The next prime is 99690307. The reversal of 99690306 is 60309699.

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

99690306 is an admirable number.

It is a super-2 number, since 2×99690306² = 19876314220747272, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99690307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8307520 + ... + 8307531.

It is an arithmetic number, because the mean of its divisors is an integer number (24922578).

Almost surely, 2^99690306 is an apocalyptic number.

99690306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99690306 is a wasteful number, since it uses less digits than its factorization.

99690306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16615056.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 99690306 is about 9984.5032926030. The cubic root of 99690306 is about 463.6792304638.

The spelling of 99690306 in words is "ninety-nine million, six hundred ninety thousand, three hundred six".