830632321 has 8 divisors (see below), whose sum is σ = 857945088. Its totient is φ = 803352000.

The previous prime is 830632289. The next prime is 830632331. The reversal of 830632321 is 123236038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 830632321 - 2⁵ = 830632289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830632321.

It is not an unprimeable number, because it can be changed into a prime (830632331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50841 + ... + 65161.

It is an arithmetic number, because the mean of its divisors is an integer number (107243136).

Almost surely, 2^830632321 is an apocalyptic number.

It is an amenable number.

830632321 is a deficient number, since it is larger than the sum of its proper divisors (27312767).

830632321 is a wasteful number, since it uses less digits than its factorization.

830632321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16223.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 830632321 is about 28820.6925836282. The cubic root of 830632321 is about 940.0182284831.

Adding to 830632321 its reverse (123236038), we get a palindrome (953868359).

The spelling of 830632321 in words is "eight hundred thirty million, six hundred thirty-two thousand, three hundred twenty-one".