1988008 has 64 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 806400.

The previous prime is 1987991. The next prime is 1988011. The reversal of 1988008 is 8008891.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48468 + ... + 48508.

It is an arithmetic number, because the mean of its divisors is an integer number (70875).

2^1988008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1988008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268000).

1988008 is an abundant number, since it is smaller than the sum of its proper divisors (2547992).

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

1988008 is a wasteful number, since it uses less digits than its factorization.

1988008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1988008 is about 1409.9673755091. The cubic root of 1988008 is about 125.7397837890.

The spelling of 1988008 in words is "one million, nine hundred eighty-eight thousand, eight".