830822939 has 2 divisors, whose sum is σ = 830822940. Its totient is φ = 830822938.

The previous prime is 830822933. The next prime is 830822983. The reversal of 830822939 is 939228038.

It is an a-pointer prime, because the next prime (830822983) can be obtained adding 830822939 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830822939 - 2⁸ = 830822683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830822939.

It is not a weakly prime, because it can be changed into another prime (830822933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415411469 + 415411470.

It is an arithmetic number, because the mean of its divisors is an integer number (415411470).

Almost surely, 2^830822939 is an apocalyptic number.

830822939 is a deficient number, since it is larger than the sum of its proper divisors (1).

830822939 is an equidigital number, since it uses as much as digits as its factorization.

830822939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 830822939 is about 28823.9993581737. Note that the first 3 decimals coincide. The cubic root of 830822939 is about 940.0901298066.

The spelling of 830822939 in words is "eight hundred thirty million, eight hundred twenty-two thousand, nine hundred thirty-nine".