1998000602 has 32 divisors (see below), whose sum is σ = 3330636624. Its totient is φ = 893030400.

The previous prime is 1998000577. The next prime is 1998000661. The reversal of 1998000602 is 2060008991.

It is a Cunningham number, because it is equal to 44699²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 667137241 + 1330863361 = 25829^2 + 36481^2 .

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 15 ways as a sum of consecutive naturals, for example, 139202 + ... + 152882.

Almost surely, 2^1998000602 is an apocalyptic number.

1998000602 is a deficient number, since it is larger than the sum of its proper divisors (1332636022).

1998000602 is a wasteful number, since it uses less digits than its factorization.

1998000602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13874.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1998000602 is about 44699.0000111859. Note that the first 4 decimals coincide. The cubic root of 1998000602 is about 1259.5010626389.

The spelling of 1998000602 in words is "one billion, nine hundred ninety-eight million, six hundred two", and thus it is an aban number.