816090383 has 2 divisors, whose sum is σ = 816090384. Its totient is φ = 816090382.

The previous prime is 816090377. The next prime is 816090437. The reversal of 816090383 is 383090618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 816090383 - 2⁴ = 816090367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (816090323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408045191 + 408045192.

It is an arithmetic number, because the mean of its divisors is an integer number (408045192).

Almost surely, 2^816090383 is an apocalyptic number.

816090383 is a deficient number, since it is larger than the sum of its proper divisors (1).

816090383 is an equidigital number, since it uses as much as digits as its factorization.

816090383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 816090383 is about 28567.2956893018. The cubic root of 816090383 is about 934.5002459567.

The spelling of 816090383 in words is "eight hundred sixteen million, ninety thousand, three hundred eighty-three".