834099660 has 96 divisors (see below), whose sum is σ = 2600445120. Its totient is φ = 221958144.

The previous prime is 834099641. The next prime is 834099661. The reversal of 834099660 is 66990438.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (834099661) 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 31 ways as a sum of consecutive naturals, for example, 310242 + ... + 312918.

It is an arithmetic number, because the mean of its divisors is an integer number (27087970).

Almost surely, 2^834099660 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 834099660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300222560).

834099660 is an abundant number, since it is smaller than the sum of its proper divisors (1766345460).

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

834099660 is a wasteful number, since it uses less digits than its factorization.

834099660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 834099660 is about 28880.7835766276. The cubic root of 834099660 is about 941.3243969067.

The spelling of 834099660 in words is "eight hundred thirty-four million, ninety-nine thousand, six hundred sixty".