99966306 has 48 divisors (see below), whose sum is σ = 226014048. Its totient is φ = 29232000.

The previous prime is 99966301. The next prime is 99966329. The reversal of 99966306 is 60366999.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99966301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54606 + ... + 56406.

It is an arithmetic number, because the mean of its divisors is an integer number (4708626).

Almost surely, 2^99966306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99966306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113007024).

99966306 is an abundant number, since it is smaller than the sum of its proper divisors (126047742).

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

99966306 is a wasteful number, since it uses less digits than its factorization.

99966306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 99966306 is about 9998.3151580654. The cubic root of 99966306 is about 464.1067462738.

The spelling of 99966306 in words is "ninety-nine million, nine hundred sixty-six thousand, three hundred six".