1328306284 has 12 divisors (see below), whose sum is σ = 2331237384. Its totient is φ = 662238464.

The previous prime is 1328306279. The next prime is 1328306297. The reversal of 1328306284 is 4826038231.

It is a super-2 number, since 2×1328306284² = 3528795168227777312, which contains 22 as substring.

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, 477109 + ... + 479884.

It is an arithmetic number, because the mean of its divisors is an integer number (194269782).

Almost surely, 2^1328306284 is an apocalyptic number.

It is an amenable number.

1328306284 is a deficient number, since it is larger than the sum of its proper divisors (1002931100).

1328306284 is a wasteful number, since it uses less digits than its factorization.

1328306284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957344 (or 957342 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1328306284 is about 36445.9364538764. The cubic root of 1328306284 is about 1099.2574283051.

The spelling of 1328306284 in words is "one billion, three hundred twenty-eight million, three hundred six thousand, two hundred eighty-four".