99406668 has 12 divisors (see below), whose sum is σ = 231948920. Its totient is φ = 33135552.

The previous prime is 99406649. The next prime is 99406687. The reversal of 99406668 is 86660499.

It is an interprime number because it is at equal distance from previous prime (99406649) and next prime (99406687).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141933 + ... + 4141956.

Almost surely, 2^99406668 is an apocalyptic number.

It is an amenable number.

99406668 is an abundant number, since it is smaller than the sum of its proper divisors (132542252).

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

99406668 is a wasteful number, since it uses less digits than its factorization.

99406668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283896 (or 8283894 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 99406668 is about 9970.2892636071. The cubic root of 99406668 is about 463.2390606928.

The spelling of 99406668 in words is "ninety-nine million, four hundred six thousand, six hundred sixty-eight".