1987008 has 56 divisors (see below), whose sum is σ = 5364480. Its totient is φ = 648960.

The previous prime is 1987003. The next prime is 1987031. The reversal of 1987008 is 8007891.

It is a self number, because there is not a number n which added to its sum of digits gives 1987008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987003) 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, 15103 + ... + 15233.

2^1987008 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 1987008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682240).

1987008 is an abundant number, since it is smaller than the sum of its proper divisors (3377472).

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

1987008 is a wasteful number, since it uses less digits than its factorization.

1987008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1987008 is about 1409.6127127690. The cubic root of 1987008 is about 125.7186972084.

The spelling of 1987008 in words is "one million, nine hundred eighty-seven thousand, eight".