99444807 has 64 divisors (see below), whose sum is σ = 189726720. Its totient is φ = 49960800.

The previous prime is 99444791. The next prime is 99444811. The reversal of 99444807 is 70844499.

It is not a de Polignac number, because 99444807 - 2⁴ = 99444791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99444827) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63678 + ... + 65220.

It is an arithmetic number, because the mean of its divisors is an integer number (2964480).

Almost surely, 2^99444807 is an apocalyptic number.

99444807 is a deficient number, since it is larger than the sum of its proper divisors (90281913).

99444807 is a wasteful number, since it uses less digits than its factorization.

99444807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 99444807 is about 9972.2017127613. The cubic root of 99444807 is about 463.2982962079.

The spelling of 99444807 in words is "ninety-nine million, four hundred forty-four thousand, eight hundred seven".