814675328 has 32 divisors (see below), whose sum is σ = 1645237560. Its totient is φ = 401753088.

The previous prime is 814675321. The next prime is 814675339. The reversal of 814675328 is 823576418.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814675321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34250 + ... + 52937.

Almost surely, 2^814675328 is an apocalyptic number.

It is an amenable number.

814675328 is an abundant number, since it is smaller than the sum of its proper divisors (830562232).

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

814675328 is an equidigital number, since it uses as much as digits as its factorization.

814675328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87274 (or 87262 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 814675328 is about 28542.5178987419. The cubic root of 814675328 is about 933.9598097849.

The spelling of 814675328 in words is "eight hundred fourteen million, six hundred seventy-five thousand, three hundred twenty-eight".