818030 has 16 divisors (see below), whose sum is σ = 1483920. Its totient is φ = 324672.

The previous prime is 818021. The next prime is 818093. The reversal of 818030 is 30818.

It is a junction number, because it is equal to n+sod(n) for n = 817993 and 818011.

It is a congruent number.

It is an unprimeable number.

818030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (92745).

2⁸¹⁸⁰³⁰ is an apocalyptic number.

818030 is a deficient number, since it is larger than the sum of its proper divisors (665890).

818030 is a wasteful number, since it uses less digits than its factorization.

818030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 818030 is about 904.4501091824. The cubic root of 818030 is about 93.5240008162.

Adding to 818030 its reverse (30818), we get a palindrome (848848).

The spelling of 818030 in words is "eight hundred eighteen thousand, thirty".