816333 has 8 divisors (see below), whose sum is σ = 1243968. Its totient is φ = 466464.

The previous prime is 816329. The next prime is 816341. The reversal of 816333 is 333618.

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

It is not a de Polignac number, because 816333 - 2² = 816329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816353) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19416 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (155496).

2⁸¹⁶³³³ is an apocalyptic number.

It is an amenable number.

816333 is a deficient number, since it is larger than the sum of its proper divisors (427635).

816333 is a wasteful number, since it uses less digits than its factorization.

816333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38883.

The product of its digits is 1296, while the sum is 24.

The square root of 816333 is about 903.5114830482. The cubic root of 816333 is about 93.4592843209.

The spelling of 816333 in words is "eight hundred sixteen thousand, three hundred thirty-three".