818354 has 4 divisors (see below), whose sum is σ = 1227534. Its totient is φ = 409176.

The previous prime is 818353. The next prime is 818359. The reversal of 818354 is 453818.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 104329 = 845^2 + 323^2 .

It is not an unprimeable number, because it can be changed into a prime (818353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204587 + ... + 204590.

2⁸¹⁸³⁵⁴ is an apocalyptic number.

818354 is a deficient number, since it is larger than the sum of its proper divisors (409180).

818354 is a wasteful number, since it uses less digits than its factorization.

818354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409179.

The product of its digits is 3840, while the sum is 29.

The square root of 818354 is about 904.6292058076. The cubic root of 818354 is about 93.5363466457.

The spelling of 818354 in words is "eight hundred eighteen thousand, three hundred fifty-four".