6001998 has 8 divisors (see below), whose sum is σ = 12004008. Its totient is φ = 2000664.

The previous prime is 6001997. The next prime is 6002033. The reversal of 6001998 is 8991006.

It is a happy number.

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

6001998 is an admirable number.

6001998 is a modest number, since divided by 1998 gives 6 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6001991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500161 + ... + 500172.

It is an arithmetic number, because the mean of its divisors is an integer number (1500501).

Almost surely, 2^6001998 is an apocalyptic number.

6001998 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.

6001998 is a wasteful number, since it uses less digits than its factorization.

6001998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000338.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 6001998 is about 2449.8975488783. The cubic root of 6001998 is about 181.7322270833.

The spelling of 6001998 in words is "six million, one thousand, nine hundred ninety-eight".