1988000504 has 16 divisors (see below), whose sum is σ = 4260001200. Its totient is φ = 852000192.

The previous prime is 1988000461. The next prime is 1988000537. The reversal of 1988000504 is 4050008891.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17749949 + ... + 17750060.

It is an arithmetic number, because the mean of its divisors is an integer number (266250075).

Almost surely, 2^1988000504 is an apocalyptic number.

1988000504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1988000504 is an abundant number, since it is smaller than the sum of its proper divisors (2272000696).

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

1988000504 is a wasteful number, since it uses less digits than its factorization.

1988000504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500022 (or 35500018 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1988000504 is about 44586.9992710880. Note that the first 3 decimals coincide. The cubic root of 1988000504 is about 1257.3962575033.

The spelling of 1988000504 in words is "one billion, nine hundred eighty-eight million, five hundred four", and thus it is an aban number.