834544620 has 672 divisors, whose sum is σ = 3516766848. Its totient is φ = 161243136.

The previous prime is 834544567. The next prime is 834544621. The reversal of 834544620 is 26445438.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (834544621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 22555242 + ... + 22555278.

It is an arithmetic number, because the mean of its divisors is an integer number (5233284).

Almost surely, 2^834544620 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 834544620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758383424).

834544620 is an abundant number, since it is smaller than the sum of its proper divisors (2682222228).

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

834544620 is a wasteful number, since it uses less digits than its factorization.

834544620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 834544620 is about 28888.4859416343. The cubic root of 834544620 is about 941.4917539047.

The spelling of 834544620 in words is "eight hundred thirty-four million, five hundred forty-four thousand, six hundred twenty".