99396666 has 16 divisors (see below), whose sum is σ = 220881600. Its totient is φ = 33132204.

The previous prime is 99396641. The next prime is 99396679. The reversal of 99396666 is 66669399.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1840679 = 99396666 / (9 + 9 + 3 + 9 + 6 + 6 + 6 + 6).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920286 + ... + 920393.

It is an arithmetic number, because the mean of its divisors is an integer number (13805100).

Almost surely, 2^99396666 is an apocalyptic number.

99396666 is an abundant number, since it is smaller than the sum of its proper divisors (121484934).

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

99396666 is a wasteful number, since it uses less digits than its factorization.

99396666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840690 (or 1840684 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 99396666 is about 9969.7876607278. The cubic root of 99396666 is about 463.2235235979.

The spelling of 99396666 in words is "ninety-nine million, three hundred ninety-six thousand, six hundred sixty-six".