816382 has 8 divisors (see below), whose sum is σ = 1399536. Its totient is φ = 349872.

The previous prime is 816377. The next prime is 816401. The reversal of 816382 is 283618.

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

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 816382.

It is a congruent number.

It is an unprimeable number.

816382 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 29143 + ... + 29170.

It is an arithmetic number, because the mean of its divisors is an integer number (174942).

2⁸¹⁶³⁸² is an apocalyptic number.

816382 is a deficient number, since it is larger than the sum of its proper divisors (583154).

816382 is a wasteful number, since it uses less digits than its factorization.

816382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58322.

The product of its digits is 2304, while the sum is 28.

The square root of 816382 is about 903.5385990648. The cubic root of 816382 is about 93.4611542332.

The spelling of 816382 in words is "eight hundred sixteen thousand, three hundred eighty-two".