834490057 has 2 divisors, whose sum is σ = 834490058. Its totient is φ = 834490056.

The previous prime is 834490049. The next prime is 834490087. The reversal of 834490057 is 750094438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541772176 + 292717881 = 23276^2 + 17109^2 .

It is a cyclic number.

It is not a de Polignac number, because 834490057 - 2³ = 834490049 is a prime.

It is not a weakly prime, because it can be changed into another prime (834490087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417245028 + 417245029.

It is an arithmetic number, because the mean of its divisors is an integer number (417245029).

Almost surely, 2^834490057 is an apocalyptic number.

It is an amenable number.

834490057 is a deficient number, since it is larger than the sum of its proper divisors (1).

834490057 is an equidigital number, since it uses as much as digits as its factorization.

834490057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 834490057 is about 28887.5415534102. The cubic root of 834490057 is about 941.4712350361.

The spelling of 834490057 in words is "eight hundred thirty-four million, four hundred ninety thousand, fifty-seven".