44005998 has 8 divisors (see below), whose sum is σ = 88012008. Its totient is φ = 14668664.

The previous prime is 44005991. The next prime is 44005999. The reversal of 44005998 is 89950044.

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

44005998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44005991) 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, 3667161 + ... + 3667172.

It is an arithmetic number, because the mean of its divisors is an integer number (11001501).

Almost surely, 2^44005998 is an apocalyptic number.

44005998 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.

44005998 is a wasteful number, since it uses less digits than its factorization.

44005998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334338.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 44005998 is about 6633.7016815651. The cubic root of 44005998 is about 353.0508744926.

The spelling of 44005998 in words is "forty-four million, five thousand, nine hundred ninety-eight".