1004002304 has 22 divisors (see below), whose sum is σ = 2007026184. Its totient is φ = 502000640.

The previous prime is 1004002291. The next prime is 1004002309. The reversal of 1004002304 is 4032004001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004002309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489212 + ... + 491259.

Almost surely, 2^1004002304 is an apocalyptic number.

It is an amenable number.

1004002304 is a deficient number, since it is larger than the sum of its proper divisors (1003023880).

1004002304 is an frugal number, since it uses more digits than its factorization.

1004002304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980491 (or 980473 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1004002304 is about 31685.9953922865. The cubic root of 1004002304 is about 1001.3323254539.

Adding to 1004002304 its reverse (4032004001), we get a palindrome (5036006305).

The spelling of 1004002304 in words is "one billion, four million, two thousand, three hundred four".