818338 has 16 divisors (see below), whose sum is σ = 1292544. Its totient is φ = 388080.

The previous prime is 818327. The next prime is 818339. The reversal of 818338 is 833818.

818338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (818339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056 + ... + 4252.

It is an arithmetic number, because the mean of its divisors is an integer number (80784).

2⁸¹⁸³³⁸ is an apocalyptic number.

818338 is a deficient number, since it is larger than the sum of its proper divisors (474206).

818338 is a wasteful number, since it uses less digits than its factorization.

818338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its digits is 4608, while the sum is 31.

The square root of 818338 is about 904.6203623620. The cubic root of 818338 is about 93.5357370516.

It can be divided in two parts, 818 and 338, that added together give a square (1156 = 34²).

The spelling of 818338 in words is "eight hundred eighteen thousand, three hundred thirty-eight".