816329 has 2 divisors, whose sum is σ = 816330. Its totient is φ = 816328.

The previous prime is 816317. The next prime is 816341. The reversal of 816329 is 923618.

816329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (816317) and next prime (816341).

It can be written as a sum of positive squares in only one way, i.e., 739600 + 76729 = 860^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 816329 - 2¹² = 812233 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (816929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408164 + 408165.

It is an arithmetic number, because the mean of its divisors is an integer number (408165).

2⁸¹⁶³²⁹ is an apocalyptic number.

It is an amenable number.

816329 is a deficient number, since it is larger than the sum of its proper divisors (1).

816329 is an equidigital number, since it uses as much as digits as its factorization.

816329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 816329 is about 903.5092694599. The cubic root of 816329 is about 93.4591316717.

It can be divided in two parts, 8163 and 29, that added together give a 13-th power (8192 = 2¹³).

The spelling of 816329 in words is "eight hundred sixteen thousand, three hundred twenty-nine".