818363 has 24 divisors (see below), whose sum is σ = 1114848. Its totient is φ = 582912.

The previous prime is 818359. The next prime is 818371. The reversal of 818363 is 363818.

It is not a de Polignac number, because 818363 - 2² = 818359 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (818303) 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 in 23 ways as a sum of consecutive naturals, for example, 35570 + ... + 35592.

It is an arithmetic number, because the mean of its divisors is an integer number (46452).

2⁸¹⁸³⁶³ is an apocalyptic number.

818363 is a deficient number, since it is larger than the sum of its proper divisors (296485).

818363 is a wasteful number, since it uses less digits than its factorization.

818363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 60 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 818363 is about 904.6341802077. The cubic root of 818363 is about 93.5366895389.

The spelling of 818363 in words is "eight hundred eighteen thousand, three hundred sixty-three".