830449783 has 2 divisors, whose sum is σ = 830449784. Its totient is φ = 830449782.

The previous prime is 830449759. The next prime is 830449787. The reversal of 830449783 is 387944038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830449783 - 2¹⁷ = 830318711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830449787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415224891 + 415224892.

It is an arithmetic number, because the mean of its divisors is an integer number (415224892).

Almost surely, 2^830449783 is an apocalyptic number.

830449783 is a deficient number, since it is larger than the sum of its proper divisors (1).

830449783 is an equidigital number, since it uses as much as digits as its factorization.

830449783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 830449783 is about 28817.5256224402. The cubic root of 830449783 is about 939.9493646332.

The spelling of 830449783 in words is "eight hundred thirty million, four hundred forty-nine thousand, seven hundred eighty-three".