830806201 has 4 divisors (see below), whose sum is σ = 879677172. Its totient is φ = 781935232.

The previous prime is 830806157. The next prime is 830806237. The reversal of 830806201 is 102608038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 770340025 + 60466176 = 27755^2 + 7776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830806201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830806201.

It is not an unprimeable number, because it can be changed into a prime (830806271) 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 3 ways as a sum of consecutive naturals, for example, 24435460 + ... + 24435493.

It is an arithmetic number, because the mean of its divisors is an integer number (219919293).

Almost surely, 2^830806201 is an apocalyptic number.

It is an amenable number.

830806201 is a deficient number, since it is larger than the sum of its proper divisors (48870971).

830806201 is a wasteful number, since it uses less digits than its factorization.

830806201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48870970.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 830806201 is about 28823.7090083841. The cubic root of 830806201 is about 940.0838166547.

The spelling of 830806201 in words is "eight hundred thirty million, eight hundred six thousand, two hundred one".