829423 has 6 divisors (see below), whose sum is σ = 964896. Its totient is φ = 710892.

The previous prime is 829399. The next prime is 829453. The reversal of 829423 is 324928.

It is a de Polignac number, because none of the positive numbers 2^k-829423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 829391 and 829400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8415 + ... + 8512.

It is an arithmetic number, because the mean of its divisors is an integer number (160816).

2⁸²⁹⁴²³ is an apocalyptic number.

829423 is a deficient number, since it is larger than the sum of its proper divisors (135473).

829423 is a wasteful number, since it uses less digits than its factorization.

829423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16941 (or 16934 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 829423 is about 910.7266329695. The cubic root of 829423 is about 93.9561814783.

The spelling of 829423 in words is "eight hundred twenty-nine thousand, four hundred twenty-three".