830305605 has 16 divisors (see below), whose sum is σ = 1398409920. Its totient is φ = 419522688.

The previous prime is 830305603. The next prime is 830305613. The reversal of 830305605 is 506503038.

It is not a de Polignac number, because 830305605 - 2¹ = 830305603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830305601) 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 15 ways as a sum of consecutive naturals, for example, 1456392 + ... + 1456961.

It is an arithmetic number, because the mean of its divisors is an integer number (87400620).

Almost surely, 2^830305605 is an apocalyptic number.

It is an amenable number.

830305605 is a deficient number, since it is larger than the sum of its proper divisors (568104315).

830305605 is a wasteful number, since it uses less digits than its factorization.

830305605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913380.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 830305605 is about 28815.0239458516. The cubic root of 830305605 is about 939.8949652520.

The spelling of 830305605 in words is "eight hundred thirty million, three hundred five thousand, six hundred five".