830998393 has 8 divisors (see below), whose sum is σ = 870537600. Its totient is φ = 792184848.

The previous prime is 830998379. The next prime is 830998397. The reversal of 830998393 is 393899038.

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 830998393 - 2¹³ = 830990201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830998393.

It is not an unprimeable number, because it can be changed into a prime (830998397) 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 7 ways as a sum of consecutive naturals, for example, 179071 + ... + 183652.

It is an arithmetic number, because the mean of its divisors is an integer number (108817200).

Almost surely, 2^830998393 is an apocalyptic number.

It is an amenable number.

830998393 is a deficient number, since it is larger than the sum of its proper divisors (39539207).

830998393 is a wasteful number, since it uses less digits than its factorization.

830998393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362831.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 830998393 is about 28827.0427376795. The cubic root of 830998393 is about 940.1563015328.

The spelling of 830998393 in words is "eight hundred thirty million, nine hundred ninety-eight thousand, three hundred ninety-three".