816317382 has 8 divisors (see below), whose sum is σ = 1632634776. Its totient is φ = 272105792.

The previous prime is 816317363. The next prime is 816317399. The reversal of 816317382 is 283713618.

It is a sphenic number, since it is the product of 3 distinct primes.

816317382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 816317382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68026443 + ... + 68026454.

It is an arithmetic number, because the mean of its divisors is an integer number (204079347).

Almost surely, 2^816317382 is an apocalyptic number.

816317382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

816317382 is a wasteful number, since it uses less digits than its factorization.

816317382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136052902.

The product of its digits is 48384, while the sum is 39.

The square root of 816317382 is about 28571.2684702657. The cubic root of 816317382 is about 934.5868829929.

The spelling of 816317382 in words is "eight hundred sixteen million, three hundred seventeen thousand, three hundred eighty-two".