3128382 has 48 divisors (see below), whose sum is σ = 7246512. Its totient is φ = 1010880.

The previous prime is 3128381. The next prime is 3128393. The reversal of 3128382 is 2838213.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19848 + ... + 20004.

It is an arithmetic number, because the mean of its divisors is an integer number (150969).

Almost surely, 2^3128382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3623256).

3128382 is an abundant number, since it is smaller than the sum of its proper divisors (4118130).

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

3128382 is a wasteful number, since it uses less digits than its factorization.

3128382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3128382 is about 1768.7232683492. The cubic root of 3128382 is about 146.2536093784.

The spelling of 3128382 in words is "three million, one hundred twenty-eight thousand, three hundred eighty-two".