816336 has 30 divisors (see below), whose sum is σ = 2285010. Its totient is φ = 272064.

The previous prime is 816329. The next prime is 816341. The reversal of 816336 is 633618.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 207936 = 780^2 + 456^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 816336.

It is an unprimeable number.

816336 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2691 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (76167).

2⁸¹⁶³³⁶ is an apocalyptic number.

It is an amenable number.

816336 is an abundant number, since it is smaller than the sum of its proper divisors (1468674).

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

816336 is a wasteful number, since it uses less digits than its factorization.

816336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683 (or 5674 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 816336 is about 903.5131432359. The cubic root of 816336 is about 93.4593988075.

The spelling of 816336 in words is "eight hundred sixteen thousand, three hundred thirty-six".