834161389 has 8 divisors (see below), whose sum is σ = 929715840. Its totient is φ = 743772096.

The previous prime is 834161387. The next prime is 834161417. The reversal of 834161389 is 983161438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 834161389 - 2¹ = 834161387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834161387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290949 + ... + 1291594.

It is an arithmetic number, because the mean of its divisors is an integer number (116214480).

Almost surely, 2^834161389 is an apocalyptic number.

It is an amenable number.

834161389 is a deficient number, since it is larger than the sum of its proper divisors (95554451).

834161389 is a wasteful number, since it uses less digits than its factorization.

834161389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582579.

The product of its digits is 124416, while the sum is 43.

The square root of 834161389 is about 28881.8522432340. The cubic root of 834161389 is about 941.3476177851.

The spelling of 834161389 in words is "eight hundred thirty-four million, one hundred sixty-one thousand, three hundred eighty-nine".