1004643344 has 10 divisors (see below), whose sum is σ = 1946496510. Its totient is φ = 502321664.

The previous prime is 1004643307. The next prime is 1004643347. The reversal of 1004643344 is 4433464001.

It can be written as a sum of positive squares in only one way, i.e., 898800400 + 105842944 = 29980^2 + 10288^2 .

It is not an unprimeable number, because it can be changed into a prime (1004643347) 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 as a sum of consecutive naturals, namely, 31395089 + ... + 31395120.

It is an arithmetic number, because the mean of its divisors is an integer number (194649651).

Almost surely, 2^1004643344 is an apocalyptic number.

It is an amenable number.

1004643344 is a deficient number, since it is larger than the sum of its proper divisors (941853166).

1004643344 is an equidigital number, since it uses as much as digits as its factorization.

1004643344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62790217 (or 62790211 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 1004643344 is about 31696.1092880499. The cubic root of 1004643344 is about 1001.5453918671.

The spelling of 1004643344 in words is "one billion, four million, six hundred forty-three thousand, three hundred forty-four".