448911998 has 8 divisors (see below), whose sum is σ = 673459920. Its totient is φ = 224425360.

The previous prime is 448911989. The next prime is 448912001. The reversal of 448911998 is 899119844.

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

It is a super-4 number, since 4×448911998⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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, 14978 + ... + 33498.

It is an arithmetic number, because the mean of its divisors is an integer number (84182490).

Almost surely, 2^448911998 is an apocalyptic number.

448911998 is a deficient number, since it is larger than the sum of its proper divisors (224547922).

448911998 is a wasteful number, since it uses less digits than its factorization.

448911998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642.

The product of its digits is 746496, while the sum is 53.

The square root of 448911998 is about 21187.5434630823. The cubic root of 448911998 is about 765.6913442173.

The spelling of 448911998 in words is "four hundred forty-eight million, nine hundred eleven thousand, nine hundred ninety-eight".