99944454 has 8 divisors (see below), whose sum is σ = 199888920. Its totient is φ = 33314816.

The previous prime is 99944447. The next prime is 99944459. The reversal of 99944454 is 45444999.

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

99944454 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99944459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8328699 + ... + 8328710.

It is an arithmetic number, because the mean of its divisors is an integer number (24986115).

Almost surely, 2^99944454 is an apocalyptic number.

99944454 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.

99944454 is a wasteful number, since it uses less digits than its factorization.

99944454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16657414.

The product of its digits is 933120, while the sum is 48.

The square root of 99944454 is about 9997.2223142231. Note that the first 3 decimals coincide. The cubic root of 99944454 is about 464.0729268797.

The spelling of 99944454 in words is "ninety-nine million, nine hundred forty-four thousand, four hundred fifty-four".