834940 has 24 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 330048.

The previous prime is 834913. The next prime is 834941. The reversal of 834940 is 49438.

It is a junction number, because it is equal to n+sod(n) for n = 834899 and 834908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834941) by changing a digit.

834940 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁸³⁴⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

834940 is an abundant number, since it is smaller than the sum of its proper divisors (939140).

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

834940 is a wasteful number, since it uses less digits than its factorization.

834940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

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

The square root of 834940 is about 913.7505129958. The cubic root of 834940 is about 94.1640413118.

The spelling of 834940 in words is "eight hundred thirty-four thousand, nine hundred forty".