834612861 has 4 divisors (see below), whose sum is σ = 1112817152. Its totient is φ = 556408572.

The previous prime is 834612839. The next prime is 834612913. The reversal of 834612861 is 168216438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 834612861 - 2¹⁰ = 834611837 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 (834612461) 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, 139102141 + ... + 139102146.

It is an arithmetic number, because the mean of its divisors is an integer number (278204288).

Almost surely, 2^834612861 is an apocalyptic number.

It is an amenable number.

834612861 is a deficient number, since it is larger than the sum of its proper divisors (278204291).

834612861 is a wasteful number, since it uses less digits than its factorization.

834612861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278204290.

The product of its digits is 55296, while the sum is 39.

The square root of 834612861 is about 28889.6670281954. The cubic root of 834612861 is about 941.5174152399.

The spelling of 834612861 in words is "eight hundred thirty-four million, six hundred twelve thousand, eight hundred sixty-one".