1887984 has 60 divisors (see below), whose sum is σ = 6041776. Its totient is φ = 539136.

The previous prime is 1887967. The next prime is 1888031. The reversal of 1887984 is 4897881.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72 + ... + 1944.

2^1887984 is an apocalyptic number.

1887984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1887984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3020888).

1887984 is an abundant number, since it is smaller than the sum of its proper divisors (4153792).

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

1887984 is a wasteful number, since it uses less digits than its factorization.

1887984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1885 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 1887984 is about 1374.0393007480. The cubic root of 1887984 is about 123.5945829781.

The spelling of 1887984 in words is "one million, eight hundred eighty-seven thousand, nine hundred eighty-four".