1304400324 has 12 divisors (see below), whose sum is σ = 3043600784. Its totient is φ = 434800104.

The previous prime is 1304400319. The next prime is 1304400329. The reversal of 1304400324 is 4230044031.

It is an interprime number because it is at equal distance from previous prime (1304400319) and next prime (1304400329).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1304400324.

It is not an unprimeable number, because it can be changed into a prime (1304400329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54350002 + ... + 54350025.

Almost surely, 2^1304400324 is an apocalyptic number.

It is an amenable number.

1304400324 is an abundant number, since it is smaller than the sum of its proper divisors (1739200460).

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

1304400324 is a wasteful number, since it uses less digits than its factorization.

1304400324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108700034 (or 108700032 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1304400324 is about 36116.4827191132. The cubic root of 1304400324 is about 1092.6229020045.

Adding to 1304400324 its reverse (4230044031), we get a palindrome (5534444355).

The spelling of 1304400324 in words is "one billion, three hundred four million, four hundred thousand, three hundred twenty-four".