99999006 has 8 divisors (see below), whose sum is σ = 199998024. Its totient is φ = 33333000.

The previous prime is 99998999. The next prime is 99999043. The reversal of 99999006 is 60099999.

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

99999006 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 99999006.

It is a congruent number.

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, 8333245 + ... + 8333256.

It is an arithmetic number, because the mean of its divisors is an integer number (24999753).

Almost surely, 2^99999006 is an apocalyptic number.

99999006 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.

99999006 is a wasteful number, since it uses less digits than its factorization.

99999006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666506.

The product of its (nonzero) digits is 354294, while the sum is 51.

The square root of 99999006 is about 9999.9502998765. The cubic root of 99999006 is about 464.1573454431.

The spelling of 99999006 in words is "ninety-nine million, nine hundred ninety-nine thousand, six".