834980 has 24 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 329312.

The previous prime is 834961. The next prime is 834983. The reversal of 834980 is 89438.

834980 = T₁₈₄ + T₁₈₅ + ... + T₂₂₃.

It is not an unprimeable number, because it can be changed into a prime (834983) by changing a digit.

834980 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 7 ways as a sum of consecutive naturals, for example, 1409 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2⁸³⁴⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

834980 is an abundant number, since it is smaller than the sum of its proper divisors (943132).

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

834980 is a wasteful number, since it uses less digits than its factorization.

834980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 834980 is about 913.7724005462. The cubic root of 834980 is about 94.1655450132.

The spelling of 834980 in words is "eight hundred thirty-four thousand, nine hundred eighty".