816410347 has 2 divisors, whose sum is σ = 816410348. Its totient is φ = 816410346.

The previous prime is 816410339. The next prime is 816410393. The reversal of 816410347 is 743014618.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 816410347 - 2³ = 816410339 is a prime.

It is not a weakly prime, because it can be changed into another prime (816410747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408205173 + 408205174.

It is an arithmetic number, because the mean of its divisors is an integer number (408205174).

Almost surely, 2^816410347 is an apocalyptic number.

816410347 is a deficient number, since it is larger than the sum of its proper divisors (1).

816410347 is an equidigital number, since it uses as much as digits as its factorization.

816410347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 816410347 is about 28572.8953205656. The cubic root of 816410347 is about 934.6223596239.

The spelling of 816410347 in words is "eight hundred sixteen million, four hundred ten thousand, three hundred forty-seven".