1304004032 has 28 divisors (see below), whose sum is σ = 2590068480. Its totient is φ = 651388416.

The previous prime is 1304004007. The next prime is 1304004047. The reversal of 1304004032 is 2304004031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304004032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63233 + ... + 81279.

Almost surely, 2^1304004032 is an apocalyptic number.

It is an amenable number.

1304004032 is a deficient number, since it is larger than the sum of its proper divisors (1286064448).

1304004032 is a wasteful number, since it uses less digits than its factorization.

1304004032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188 (or 19178 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1304004032 is about 36110.9959984490. The cubic root of 1304004032 is about 1092.5122402788.

Adding to 1304004032 its reverse (2304004031), we get a palindrome (3608008063).

Subtracting 1304004032 from its reverse (2304004031), we obtain a palindrome (999999999).

The spelling of 1304004032 in words is "one billion, three hundred four million, four thousand, thirty-two".