8434681 has 4 divisors (see below), whose sum is σ = 8443492. Its totient is φ = 8425872.

The previous prime is 8434637. The next prime is 8434691. The reversal of 8434681 is 1864348.

8434681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6786025 + 1648656 = 2605^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 8434681 - 2¹⁷ = 8303609 is a prime.

It is a super-2 number, since 2×8434681² = 142287687143522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8434691) 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, 2766 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (2110873).

Almost surely, 2^8434681 is an apocalyptic number.

It is an amenable number.

8434681 is a deficient number, since it is larger than the sum of its proper divisors (8811).

8434681 is a wasteful number, since it uses less digits than its factorization.

8434681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810.

The product of its digits is 18432, while the sum is 34.

The square root of 8434681 is about 2904.2522273384. The cubic root of 8434681 is about 203.5586462947.

The spelling of 8434681 in words is "eight million, four hundred thirty-four thousand, six hundred eighty-one".