830904459 has 24 divisors (see below), whose sum is σ = 1391712000. Its totient is φ = 431637360.

The previous prime is 830904457. The next prime is 830904497. The reversal of 830904459 is 954409038.

It is not a de Polignac number, because 830904459 - 2¹ = 830904457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830904459.

It is not an unprimeable number, because it can be changed into a prime (830904457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160959 + ... + 166040.

It is an arithmetic number, because the mean of its divisors is an integer number (57988000).

Almost surely, 2^830904459 is an apocalyptic number.

830904459 is a deficient number, since it is larger than the sum of its proper divisors (560807541).

830904459 is a wasteful number, since it uses less digits than its factorization.

830904459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327031 (or 327020 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 830904459 is about 28825.4134228809. The cubic root of 830904459 is about 940.1208758847.

The spelling of 830904459 in words is "eight hundred thirty million, nine hundred four thousand, four hundred fifty-nine".