830638199 has 2 divisors, whose sum is σ = 830638200. Its totient is φ = 830638198.
The previous prime is 830638183. The next prime is 830638279. The reversal of 830638199 is 991836038.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 830638199 - 24 = 830638183 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (830638499) 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 as a sum of consecutive naturals, namely, 415319099 + 415319100.
It is an arithmetic number, because the mean of its divisors is an integer number (415319100).
Almost surely, 2830638199 is an apocalyptic number.
830638199 is a deficient number, since it is larger than the sum of its proper divisors (1).
830638199 is an equidigital number, since it uses as much as digits as its factorization.
830638199 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 279936, while the sum is 47.
The square root of 830638199 is about 28820.7945587904. The cubic root of 830638199 is about 940.0204458356.
The spelling of 830638199 in words is "eight hundred thirty million, six hundred thirty-eight thousand, one hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •