1328809467 has 16 divisors (see below), whose sum is σ = 1837946880. Its totient is φ = 853320000.

The previous prime is 1328809463. The next prime is 1328809483. The reversal of 1328809467 is 7649088231.

It is not a de Polignac number, because 1328809467 - 2² = 1328809463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1328809463) 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 15 ways as a sum of consecutive naturals, for example, 58659 + ... + 78092.

It is an arithmetic number, because the mean of its divisors is an integer number (114871680).

Almost surely, 2^1328809467 is an apocalyptic number.

1328809467 is a deficient number, since it is larger than the sum of its proper divisors (509137413).

1328809467 is a wasteful number, since it uses less digits than its factorization.

1328809467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136874.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1328809467 is about 36452.8389429411. The cubic root of 1328809467 is about 1099.3962160298.

The spelling of 1328809467 in words is "one billion, three hundred twenty-eight million, eight hundred nine thousand, four hundred sixty-seven".