816330 has 16 divisors (see below), whose sum is σ = 1959264. Its totient is φ = 217680.

The previous prime is 816329. The next prime is 816341. The reversal of 816330 is 33618.

816330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 816297 and 816306.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 816330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13576 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (122454).

2⁸¹⁶³³⁰ is an apocalyptic number.

816330 is an abundant number, since it is smaller than the sum of its proper divisors (1142934).

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

816330 is a wasteful number, since it uses less digits than its factorization.

816330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27221.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 816330 is about 903.5098228575. The cubic root of 816330 is about 93.4591698341.

Adding to 816330 its reverse (33618), we get a palindrome (849948).

The spelling of 816330 in words is "eight hundred sixteen thousand, three hundred thirty".