1988168 has 32 divisors (see below), whose sum is σ = 4589760. Its totient is φ = 786240.

The previous prime is 1988137. The next prime is 1988177. The reversal of 1988168 is 8618891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (143430).

2^1988168 is an apocalyptic number.

It is an amenable number.

1988168 is an abundant number, since it is smaller than the sum of its proper divisors (2601592).

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

1988168 is a wasteful number, since it uses less digits than its factorization.

1988168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2753 counting only the distinct ones).

The product of its digits is 27648, while the sum is 41.

The square root of 1988168 is about 1410.0241132690. The cubic root of 1988168 is about 125.7431569857.

The spelling of 1988168 in words is "one million, nine hundred eighty-eight thousand, one hundred sixty-eight".