1983432 has 48 divisors (see below), whose sum is σ = 5458320. Its totient is φ = 600160.

The previous prime is 1983427. The next prime is 1983437. The reversal of 1983432 is 2343891.

It is an interprime number because it is at equal distance from previous prime (1983427) and next prime (1983437).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1983432.

It is not an unprimeable number, because it can be changed into a prime (1983437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2563 + ... + 3245.

It is an arithmetic number, because the mean of its divisors is an integer number (113715).

2^1983432 is an apocalyptic number.

1983432 is a gapful number since it is divisible by the number (12) 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 1983432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729160).

1983432 is an abundant number, since it is smaller than the sum of its proper divisors (3474888).

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

1983432 is a wasteful number, since it uses less digits than its factorization.

1983432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 699 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 1983432 is about 1408.3437080486. The cubic root of 1983432 is about 125.6432336594.

It can be divided in two parts, 1983 and 432, that added together give a triangular number (2415 = T₆₉).

The spelling of 1983432 in words is "one million, nine hundred eighty-three thousand, four hundred thirty-two".