829340 has 12 divisors (see below), whose sum is σ = 1741656. Its totient is φ = 331728.

The previous prime is 829319. The next prime is 829349. The reversal of 829340 is 43928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829349) by changing a digit.

829340 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20714 + ... + 20753.

It is an arithmetic number, because the mean of its divisors is an integer number (145138).

2⁸²⁹³⁴⁰ is an apocalyptic number.

It is an amenable number.

829340 is an abundant number, since it is smaller than the sum of its proper divisors (912316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

829340 is a wasteful number, since it uses less digits than its factorization.

829340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41476 (or 41474 counting only the distinct ones).

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

The square root of 829340 is about 910.6810638198. The cubic root of 829340 is about 93.9530473223.

The spelling of 829340 in words is "eight hundred twenty-nine thousand, three hundred forty".