830445929 has 2 divisors, whose sum is σ = 830445930. Its totient is φ = 830445928.

The previous prime is 830445911. The next prime is 830445953. The reversal of 830445929 is 929544038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820536025 + 9909904 = 28645^2 + 3148^2 .

It is a cyclic number.

It is not a de Polignac number, because 830445929 - 2²⁰ = 829397353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830445929.

It is not a weakly prime, because it can be changed into another prime (830445989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415222964 + 415222965.

It is an arithmetic number, because the mean of its divisors is an integer number (415222965).

Almost surely, 2^830445929 is an apocalyptic number.

It is an amenable number.

830445929 is a deficient number, since it is larger than the sum of its proper divisors (1).

830445929 is an equidigital number, since it uses as much as digits as its factorization.

830445929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 830445929 is about 28817.4587533322. The cubic root of 830445929 is about 939.9479105736.

The spelling of 830445929 in words is "eight hundred thirty million, four hundred forty-five thousand, nine hundred twenty-nine".