834681 has 4 divisors (see below), whose sum is σ = 1112912. Its totient is φ = 556452.

The previous prime is 834671. The next prime is 834703. The reversal of 834681 is 186438.

It is a happy number.

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 834681 - 2¹¹ = 832633 is a prime.

It is a super-2 number, since 2×834681² = 1393384743522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 834681.

It is not an unprimeable number, because it can be changed into a prime (834611) 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, 139111 + ... + 139116.

It is an arithmetic number, because the mean of its divisors is an integer number (278228).

2⁸³⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

834681 is a deficient number, since it is larger than the sum of its proper divisors (278231).

834681 is a wasteful number, since it uses less digits than its factorization.

834681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278230.

The product of its digits is 4608, while the sum is 30.

The square root of 834681 is about 913.6087784167. The cubic root of 834681 is about 94.1543036823.

The spelling of 834681 in words is "eight hundred thirty-four thousand, six hundred eighty-one".