834586397 has 4 divisors (see below), whose sum is σ = 834644700. Its totient is φ = 834528096.

The previous prime is 834586391. The next prime is 834586481. The reversal of 834586397 is 793685438.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 350850361 + 483736036 = 18731^2 + 21994^2 .

It is a cyclic number.

It is not a de Polignac number, because 834586397 - 2¹⁰ = 834585373 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 (834586391) 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, 8729 + ... + 41777.

It is an arithmetic number, because the mean of its divisors is an integer number (208661175).

Almost surely, 2^834586397 is an apocalyptic number.

It is an amenable number.

834586397 is a deficient number, since it is larger than the sum of its proper divisors (58303).

834586397 is a wasteful number, since it uses less digits than its factorization.

834586397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58302.

The product of its digits is 4354560, while the sum is 53.

The square root of 834586397 is about 28889.2090061324. The cubic root of 834586397 is about 941.5074638874.

The spelling of 834586397 in words is "eight hundred thirty-four million, five hundred eighty-six thousand, three hundred ninety-seven".