1328463807 has 32 divisors (see below), whose sum is σ = 1961729280. Its totient is φ = 792960000.

The previous prime is 1328463803. The next prime is 1328463809. The reversal of 1328463807 is 7083648231.

It is not a de Polignac number, because 1328463807 - 2² = 1328463803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328463803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702319 + ... + 704207.

It is an arithmetic number, because the mean of its divisors is an integer number (61304040).

Almost surely, 2^1328463807 is an apocalyptic number.

1328463807 is a deficient number, since it is larger than the sum of its proper divisors (633265473).

1328463807 is a wasteful number, since it uses less digits than its factorization.

1328463807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1328463807 is about 36448.0974400585. The cubic root of 1328463807 is about 1099.3008800013.

The spelling of 1328463807 in words is "one billion, three hundred twenty-eight million, four hundred sixty-three thousand, eight hundred seven".