1998062004 has 24 divisors (see below), whose sum is σ = 4663487808. Its totient is φ = 665828800.

The previous prime is 1998061991. The next prime is 1998062009. The reversal of 1998062004 is 4002608991.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1998062009) 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 7 ways as a sum of consecutive naturals, for example, 23104 + ... + 67304.

It is an arithmetic number, because the mean of its divisors is an integer number (194311992).

Almost surely, 2^1998062004 is an apocalyptic number.

It is an amenable number.

1998062004 is an abundant number, since it is smaller than the sum of its proper divisors (2665425804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1998062004 is a wasteful number, since it uses less digits than its factorization.

1998062004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47975 (or 47973 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1998062004 is about 44699.6868445406. The cubic root of 1998062004 is about 1259.5139647191.

The spelling of 1998062004 in words is "one billion, nine hundred ninety-eight million, sixty-two thousand, four".