601998 has 8 divisors (see below), whose sum is σ = 1204008. Its totient is φ = 200664.

The previous prime is 601981. The next prime is 602029. The reversal of 601998 is 899106.

It is a happy number.

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

601998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

601998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 50161 + ... + 50172.

It is an arithmetic number, because the mean of its divisors is an integer number (150501).

2⁶⁰¹⁹⁹⁸ is an apocalyptic number.

601998 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.

601998 is a wasteful number, since it uses less digits than its factorization.

601998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100338.

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

The square root of 601998 is about 775.8853008016. The cubic root of 601998 is about 84.4367838285.

The spelling of 601998 in words is "six hundred one thousand, nine hundred ninety-eight".