830429 has 4 divisors (see below), whose sum is σ = 832284. Its totient is φ = 828576.

The previous prime is 830419. The next prime is 830441. The reversal of 830429 is 924038.

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

It can be written as a sum of positive squares in 2 ways, for example, as 372100 + 458329 = 610^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 830429 - 2⁴ = 830413 is a prime.

It is a super-2 number, since 2×830429² = 1379224648082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 830398 and 830407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830419) 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, 209 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (208071).

2⁸³⁰⁴²⁹ is an apocalyptic number.

It is an amenable number.

830429 is a deficient number, since it is larger than the sum of its proper divisors (1855).

830429 is a wasteful number, since it uses less digits than its factorization.

830429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 830429 is about 911.2787718366. The cubic root of 830429 is about 93.9941523448.

The spelling of 830429 in words is "eight hundred thirty thousand, four hundred twenty-nine".