830169 has 20 divisors (see below), whose sum is σ = 1278244. Its totient is φ = 536544.

The previous prime is 830153. The next prime is 830173. The reversal of 830169 is 961038.

It can be written as a sum of positive squares in 2 ways, for example, as 455625 + 374544 = 675^2 + 612^2 .

It is not a de Polignac number, because 830169 - 2⁴ = 830153 is a prime.

It is a super-2 number, since 2×830169² = 1378361137122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838169) 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 in 19 ways as a sum of consecutive naturals, for example, 2859 + ... + 3135.

2⁸³⁰¹⁶⁹ is an apocalyptic number.

It is an amenable number.

830169 is a deficient number, since it is larger than the sum of its proper divisors (448075).

830169 is a wasteful number, since it uses less digits than its factorization.

830169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 830169 is about 911.1361039933. The cubic root of 830169 is about 93.9843417407.

It can be divided in two parts, 830 and 169, that added together give a palindrome (999).

The spelling of 830169 in words is "eight hundred thirty thousand, one hundred sixty-nine".