1873984 has 56 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 777216.

The previous prime is 1873979. The next prime is 1874003. The reversal of 1873984 is 4893781.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21012 + ... + 21100.

2^1873984 is an apocalyptic number.

1873984 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 1873984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194560).

1873984 is an abundant number, since it is smaller than the sum of its proper divisors (2515136).

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

1873984 is an equidigital number, since it uses as much as digits as its factorization.

1873984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 145 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 1873984 is about 1368.9353527468. The cubic root of 1873984 is about 123.2883270571.

The spelling of 1873984 in words is "one million, eight hundred seventy-three thousand, nine hundred eighty-four".