834965320 has 128 divisors (see below), whose sum is σ = 2252966400. Its totient is φ = 272295936.

The previous prime is 834965281. The next prime is 834965321. The reversal of 834965320 is 23569438.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (834965321) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2041276 + ... + 2041684.

It is an arithmetic number, because the mean of its divisors is an integer number (17601300).

Almost surely, 2^834965320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834965320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126483200).

834965320 is an abundant number, since it is smaller than the sum of its proper divisors (1418001080).

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

834965320 is a wasteful number, since it uses less digits than its factorization.

834965320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 834965320 is about 28895.7664719246. The cubic root of 834965320 is about 941.6499316036.

The spelling of 834965320 in words is "eight hundred thirty-four million, nine hundred sixty-five thousand, three hundred twenty".