1004404993 has 8 divisors (see below), whose sum is σ = 1026293760. Its totient is φ = 982537920.

The previous prime is 1004404927. The next prime is 1004405021. The reversal of 1004404993 is 3994044001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004404993 - 2⁹ = 1004404481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004404393) 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, 118528 + ... + 126718.

It is an arithmetic number, because the mean of its divisors is an integer number (128286720).

Almost surely, 2^1004404993 is an apocalyptic number.

It is an amenable number.

1004404993 is a deficient number, since it is larger than the sum of its proper divisors (21888767).

1004404993 is an equidigital number, since it uses as much as digits as its factorization.

1004404993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1004404993 is about 31692.3491240394. The cubic root of 1004404993 is about 1001.4661802648.

Adding to 1004404993 its reverse (3994044001), we get a palindrome (4998448994).

The spelling of 1004404993 in words is "one billion, four million, four hundred four thousand, nine hundred ninety-three".