1004943 has 8 divisors (see below), whose sum is σ = 1344688. Its totient is φ = 667584.

The previous prime is 1004917. The next prime is 1004963. The reversal of 1004943 is 3494001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004943 - 2⁵ = 1004911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (168086).

2^1004943 is an apocalyptic number.

1004943 is a deficient number, since it is larger than the sum of its proper divisors (339745).

1004943 is an equidigital number, since it uses as much as digits as its factorization.

1004943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1004943 is about 1002.4684533690. The cubic root of 1004943 is about 100.1644959292.

Adding to 1004943 its reverse (3494001), we get a palindrome (4498944).

The spelling of 1004943 in words is "one million, four thousand, nine hundred forty-three".