1004340 has 48 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 253440.

The previous prime is 1004323. The next prime is 1004363. The reversal of 1004340 is 434001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2^1004340 is an apocalyptic number.

1004340 is a gapful number since it is divisible by the number (10) 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 1004340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481760).

1004340 is an abundant number, since it is smaller than the sum of its proper divisors (1959180).

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

1004340 is a wasteful number, since it uses less digits than its factorization.

1004340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1004340 is about 1002.1676506453. The cubic root of 1004340 is about 100.1444578854.

Adding to 1004340 its reverse (434001), we get a palindrome (1438341).

The spelling of 1004340 in words is "one million, four thousand, three hundred forty".