1328401204 has 24 divisors (see below), whose sum is σ = 2523250688. Its totient is φ = 608277600.

The previous prime is 1328401201. The next prime is 1328401211. The reversal of 1328401204 is 4021048231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328401201) 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 7 ways as a sum of consecutive naturals, for example, 93972 + ... + 107179.

Almost surely, 2^1328401204 is an apocalyptic number.

It is an amenable number.

1328401204 is a deficient number, since it is larger than the sum of its proper divisors (1194849484).

1328401204 is a wasteful number, since it uses less digits than its factorization.

1328401204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201295 (or 201293 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1328401204 is about 36447.2386333999. The cubic root of 1328401204 is about 1099.2836117818.

Adding to 1328401204 its reverse (4021048231), we get a palindrome (5349449435).

The spelling of 1328401204 in words is "one billion, three hundred twenty-eight million, four hundred one thousand, two hundred four".