1383432 has 32 divisors (see below), whose sum is σ = 3520800. Its totient is φ = 452864.

The previous prime is 1383401. The next prime is 1383433. The reversal of 1383432 is 2343831.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (1383433) 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 7 ways as a sum of consecutive naturals, for example, 928 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (110025).

2^1383432 is an apocalyptic number.

1383432 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 1383432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760400).

1383432 is an abundant number, since it is smaller than the sum of its proper divisors (2137368).

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

1383432 is a wasteful number, since it uses less digits than its factorization.

1383432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1041 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1383432 is about 1176.1938615721. The cubic root of 1383432 is about 111.4258457115.

It can be divided in two parts, 138 and 3432, that added together give a triangular number (3570 = T₈₄).

The spelling of 1383432 in words is "one million, three hundred eighty-three thousand, four hundred thirty-two".