99444291 has 4 divisors (see below), whose sum is σ = 132592392. Its totient is φ = 66296192.

The previous prime is 99444283. The next prime is 99444299. The reversal of 99444291 is 19244499.

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

It is an interprime number because it is at equal distance from previous prime (99444283) and next prime (99444299).

It is a cyclic number.

It is not a de Polignac number, because 99444291 - 2³ = 99444283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99444299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16574046 + ... + 16574051.

It is an arithmetic number, because the mean of its divisors is an integer number (33148098).

Almost surely, 2^99444291 is an apocalyptic number.

99444291 is a deficient number, since it is larger than the sum of its proper divisors (33148101).

99444291 is a wasteful number, since it uses less digits than its factorization.

99444291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33148100.

The product of its digits is 93312, while the sum is 42.

The square root of 99444291 is about 9972.1758408083. The cubic root of 99444291 is about 463.2974948845.

The spelling of 99444291 in words is "ninety-nine million, four hundred forty-four thousand, two hundred ninety-one".