834816445 has 4 divisors (see below), whose sum is σ = 1001779740. Its totient is φ = 667853152.

The previous prime is 834816443. The next prime is 834816473. The reversal of 834816445 is 544618438.

834816445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 584575684 + 250240761 = 24178^2 + 15819^2 .

It is a cyclic number.

It is not a de Polignac number, because 834816445 - 2¹ = 834816443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834816443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83481640 + ... + 83481649.

It is an arithmetic number, because the mean of its divisors is an integer number (250444935).

Almost surely, 2^834816445 is an apocalyptic number.

It is an amenable number.

834816445 is a deficient number, since it is larger than the sum of its proper divisors (166963295).

834816445 is a wasteful number, since it uses less digits than its factorization.

834816445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166963294.

The product of its digits is 368640, while the sum is 43.

The square root of 834816445 is about 28893.1902876785. The cubic root of 834816445 is about 941.5939626259.

The spelling of 834816445 in words is "eight hundred thirty-four million, eight hundred sixteen thousand, four hundred forty-five".