834805449 has 9 divisors (see below), whose sum is σ = 1205955309. Its totient is φ = 556479180.

The previous prime is 834805441. The next prime is 834805453. The reversal of 834805449 is 944508438.

It is a happy number.

The square root of 834805449 is 28893.

It is a perfect power (a square), and thus also a powerful number.

834805449 is a `hidden beast` number, since 83 + 480 + 54 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 834805449 - 2³ = 834805441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (834805441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 81864 + ... + 91494.

Almost surely, 2^834805449 is an apocalyptic number.

834805449 is the 28893-rd square number.

834805449 is the 14447-th centered octagonal number.

It is an amenable number.

834805449 is a deficient number, since it is larger than the sum of its proper divisors (371149860).

834805449 is an frugal number, since it uses more digits than its factorization.

834805449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19268 (or 9634 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The cubic root of 834805449 is about 941.5898284585.

The spelling of 834805449 in words is "eight hundred thirty-four million, eight hundred five thousand, four hundred forty-nine".