1987248 has 40 divisors (see below), whose sum is σ = 5406400. Its totient is φ = 627264.

The previous prime is 1987247. The next prime is 1987261. The reversal of 1987248 is 8427891.

It is a super-2 number, since 2×1987248² = 7898309227008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1987241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (135160).

2^1987248 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 1987248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2703200).

1987248 is an abundant number, since it is smaller than the sum of its proper divisors (3419152).

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

1987248 is a wasteful number, since it uses less digits than its factorization.

1987248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2203 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1987248 is about 1409.6978399643. The cubic root of 1987248 is about 125.7237586329.

The spelling of 1987248 in words is "one million, nine hundred eighty-seven thousand, two hundred forty-eight".