834961530 has 64 divisors (see below), whose sum is σ = 2208286080. Its totient is φ = 200745216.

The previous prime is 834961513. The next prime is 834961531. The reversal of 834961530 is 35169438.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (834961531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8125 + ... + 41664.

It is an arithmetic number, because the mean of its divisors is an integer number (34504470).

Almost surely, 2^834961530 is an apocalyptic number.

834961530 is an abundant number, since it is smaller than the sum of its proper divisors (1373324550).

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

834961530 is a wasteful number, since it uses less digits than its factorization.

834961530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49855.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 834961530 is about 28895.7008913091. The cubic root of 834961530 is about 941.6485068504.

The spelling of 834961530 in words is "eight hundred thirty-four million, nine hundred sixty-one thousand, five hundred thirty".