99444499 has 32 divisors (see below), whose sum is σ = 131996160. Its totient is φ = 72576000.

The previous prime is 99444491. The next prime is 99444539.

99444499 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99444499 - 2³ = 99444491 is a prime.

It is a super-2 number, since 2×99444499² = 19778416762722002, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99444491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147427 + ... + 148099.

It is an arithmetic number, because the mean of its divisors is an integer number (4124880).

Almost surely, 2^99444499 is an apocalyptic number.

99444499 is a deficient number, since it is larger than the sum of its proper divisors (32551661).

99444499 is a wasteful number, since it uses less digits than its factorization.

99444499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 1679616, while the sum is 52.

The square root of 99444499 is about 9972.1862698207. The cubic root of 99444499 is about 463.2978178989.

The spelling of 99444499 in words is "ninety-nine million, four hundred forty-four thousand, four hundred ninety-nine".