834738912 has 144 divisors (see below), whose sum is σ = 2832293520. Its totient is φ = 238484736.

The previous prime is 834738911. The next prime is 834738937. The reversal of 834738912 is 219837438.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834738911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32478 + ... + 52194.

It is an arithmetic number, because the mean of its divisors is an integer number (19668705).

Almost surely, 2^834738912 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 834738912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416146760).

834738912 is an abundant number, since it is smaller than the sum of its proper divisors (1997554608).

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

834738912 is a wasteful number, since it uses less digits than its factorization.

834738912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19750 (or 19729 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 834738912 is about 28891.8485389911. The cubic root of 834738912 is about 941.5648117607.

The spelling of 834738912 in words is "eight hundred thirty-four million, seven hundred thirty-eight thousand, nine hundred twelve".