601009998 has 8 divisors (see below), whose sum is σ = 1202020008. Its totient is φ = 200336664.

The previous prime is 601009991. The next prime is 601009999. The reversal of 601009998 is 899900106.

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

601009998 is an admirable number.

It is a super-2 number, since 2×601009998² = 722426035391920008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601009991) 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, 50084161 + ... + 50084172.

It is an arithmetic number, because the mean of its divisors is an integer number (150252501).

Almost surely, 2^601009998 is an apocalyptic number.

601009998 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.

601009998 is a wasteful number, since it uses less digits than its factorization.

601009998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100168338.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 601009998 is about 24515.5052568777. The cubic root of 601009998 is about 843.9056585026.

The spelling of 601009998 in words is "six hundred one million, nine thousand, nine hundred ninety-eight".