1304388200 has 48 divisors (see below), whose sum is σ = 3035079180. Its totient is φ = 521346560.

The previous prime is 1304388199. The next prime is 1304388221. The reversal of 1304388200 is 28834031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 257089156 + 1047299044 = 16034^2 + 32362^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 494084 + ... + 496716.

Almost surely, 2^1304388200 is an apocalyptic number.

1304388200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304388200 is an abundant number, since it is smaller than the sum of its proper divisors (1730690980).

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

1304388200 is a wasteful number, since it uses less digits than its factorization.

1304388200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126 (or 5117 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1304388200 is about 36116.3148729214. The cubic root of 1304388200 is about 1092.6195167960.

The spelling of 1304388200 in words is "one billion, three hundred four million, three hundred eighty-eight thousand, two hundred".