1983504 has 60 divisors (see below), whose sum is σ = 5417808. Its totient is φ = 624960.

The previous prime is 1983503. The next prime is 1983523. The reversal of 1983504 is 4053891.

It is not an unprimeable number, because it can be changed into a prime (1983503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 46107 + ... + 46149.

2^1983504 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 1983504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708904).

1983504 is an abundant number, since it is smaller than the sum of its proper divisors (3434304).

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

1983504 is a wasteful number, since it uses less digits than its factorization.

1983504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1983504 is about 1408.3692697585. The cubic root of 1983504 is about 125.6447539541.

The spelling of 1983504 in words is "one million, nine hundred eighty-three thousand, five hundred four".