1004246905 has 4 divisors (see below), whose sum is σ = 1205096292. Its totient is φ = 803397520.

The previous prime is 1004246879. The next prime is 1004246909. The reversal of 1004246905 is 5096424001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 767733264 + 236513641 = 27708^2 + 15379^2 .

It is not a de Polignac number, because 1004246905 - 2¹³ = 1004238713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004246909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100424686 + ... + 100424695.

It is an arithmetic number, because the mean of its divisors is an integer number (301274073).

Almost surely, 2^1004246905 is an apocalyptic number.

It is an amenable number.

1004246905 is a deficient number, since it is larger than the sum of its proper divisors (200849387).

1004246905 is an equidigital number, since it uses as much as digits as its factorization.

1004246905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200849386.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1004246905 is about 31689.8549223565. The cubic root of 1004246905 is about 1001.4136356925.

The spelling of 1004246905 in words is "one billion, four million, two hundred forty-six thousand, nine hundred five".