1004321964 has 12 divisors (see below), whose sum is σ = 2343417944. Its totient is φ = 334773984.

The previous prime is 1004321959. The next prime is 1004321977. The reversal of 1004321964 is 4691234001.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41846737 + ... + 41846760.

Almost surely, 2^1004321964 is an apocalyptic number.

It is an amenable number.

1004321964 is an abundant number, since it is smaller than the sum of its proper divisors (1339095980).

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

1004321964 is a wasteful number, since it uses less digits than its factorization.

1004321964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83693504 (or 83693502 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1004321964 is about 31691.0391751359. The cubic root of 1004321964 is about 1001.4385841499.

Adding to 1004321964 its reverse (4691234001), we get a palindrome (5695555965).

The spelling of 1004321964 in words is "one billion, four million, three hundred twenty-one thousand, nine hundred sixty-four".