829240 has 16 divisors (see below), whose sum is σ = 1865880. Its totient is φ = 331680.

The previous prime is 829237. The next prime is 829249. The reversal of 829240 is 42928.

829240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10326 + ... + 10405.

2⁸²⁹²⁴⁰ is an apocalyptic number.

It is an amenable number.

829240 is an abundant number, since it is smaller than the sum of its proper divisors (1036640).

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

829240 is a wasteful number, since it uses less digits than its factorization.

829240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20742 (or 20738 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 829240 is about 910.6261582010. The cubic root of 829240 is about 93.9492709530.

The spelling of 829240 in words is "eight hundred twenty-nine thousand, two hundred forty".