1998088 has 16 divisors (see below), whose sum is σ = 3762000. Its totient is φ = 994896.

The previous prime is 1998077. The next prime is 1998089. The reversal of 1998088 is 8808991.

1998088 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1998089) by changing a digit.

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, 2703 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (235125).

2^1998088 is an apocalyptic number.

It is an amenable number.

1998088 is a deficient number, since it is larger than the sum of its proper divisors (1763912).

1998088 is a wasteful number, since it uses less digits than its factorization.

1998088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 1998088 is about 1413.5374066504. The cubic root of 1998088 is about 125.9519427043.

The spelling of 1998088 in words is "one million, nine hundred ninety-eight thousand, eighty-eight".