818029 has 4 divisors (see below), whose sum is σ = 821340. Its totient is φ = 814720.

The previous prime is 818021. The next prime is 818093. The reversal of 818029 is 920818.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920818 = 2 ⋅460409.

It can be written as a sum of positive squares in 2 ways, for example, as 455625 + 362404 = 675^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 818029 - 2³ = 818021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 817988 and 818006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818021) 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 3 ways as a sum of consecutive naturals, for example, 1252 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (205335).

2⁸¹⁸⁰²⁹ is an apocalyptic number.

It is an amenable number.

818029 is a deficient number, since it is larger than the sum of its proper divisors (3311).

818029 is a wasteful number, since it uses less digits than its factorization.

818029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 818029 is about 904.4495563601. The cubic root of 818029 is about 93.5239627068.

The spelling of 818029 in words is "eight hundred eighteen thousand, twenty-nine".