1988514 has 48 divisors (see below), whose sum is σ = 4796064. Its totient is φ = 595320.

The previous prime is 1988513. The next prime is 1988531. The reversal of 1988514 is 4158891.

It is not an unprimeable number, because it can be changed into a prime (1988513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23917 + ... + 23999.

It is an arithmetic number, because the mean of its divisors is an integer number (99918).

2^1988514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1988514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2398032).

1988514 is an abundant number, since it is smaller than the sum of its proper divisors (2807550).

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

1988514 is a wasteful number, since it uses less digits than its factorization.

1988514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 99 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1988514 is about 1410.1468008686. The cubic root of 1988514 is about 125.7504509046.

The spelling of 1988514 in words is "one million, nine hundred eighty-eight thousand, five hundred fourteen".