99446999 has 4 divisors (see below), whose sum is σ = 99511560. Its totient is φ = 99382440.

The previous prime is 99446989. The next prime is 99447001. The reversal of 99446999 is 99964499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99446999 - 2⁴ = 99446983 is a prime.

It is a super-2 number, since 2×99446999² = 19779411220212002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99446959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29912 + ... + 33069.

It is an arithmetic number, because the mean of its divisors is an integer number (24877890).

Almost surely, 2^99446999 is an apocalyptic number.

99446999 is a deficient number, since it is larger than the sum of its proper divisors (64561).

99446999 is a wasteful number, since it uses less digits than its factorization.

99446999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64560.

The product of its digits is 5668704, while the sum is 59.

The square root of 99446999 is about 9972.3116176742. The cubic root of 99446999 is about 463.3017002482.

The spelling of 99446999 in words is "ninety-nine million, four hundred forty-six thousand, nine hundred ninety-nine".