1385832 has 64 divisors (see below), whose sum is σ = 4049280. Its totient is φ = 387072.

The previous prime is 1385827. The next prime is 1385833. The reversal of 1385832 is 2385831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12208 + ... + 12320.

It is an arithmetic number, because the mean of its divisors is an integer number (63270).

2^1385832 is an apocalyptic number.

1385832 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 1385832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024640).

1385832 is an abundant number, since it is smaller than the sum of its proper divisors (2663448).

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

1385832 is a wasteful number, since it uses less digits than its factorization.

1385832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 198 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1385832 is about 1177.2136594518. The cubic root of 1385832 is about 111.4902429342.

Subtracting 1385832 from its reverse (2385831), we obtain a palindrome (999999).

The spelling of 1385832 in words is "one million, three hundred eighty-five thousand, eight hundred thirty-two".