1004382 has 12 divisors (see below), whose sum is σ = 2176200. Its totient is φ = 334788.

The previous prime is 1004371. The next prime is 1004401. The reversal of 1004382 is 2834001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 55799 = 1004382 / (1 + 0 + 0 + 4 + 3 + 8 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27882 + ... + 27917.

It is an arithmetic number, because the mean of its divisors is an integer number (181350).

2^1004382 is an apocalyptic number.

1004382 is an abundant number, since it is smaller than the sum of its proper divisors (1171818).

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

1004382 is a wasteful number, since it uses less digits than its factorization.

1004382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55807 (or 55804 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1004382 is about 1002.1886050041. The cubic root of 1004382 is about 100.1458538298.

Adding to 1004382 its reverse (2834001), we get a palindrome (3838383).

The spelling of 1004382 in words is "one million, four thousand, three hundred eighty-two".