5684681 has 4 divisors (see below), whose sum is σ = 6019092. Its totient is φ = 5350272.

The previous prime is 5684671. The next prime is 5684699. The reversal of 5684681 is 1864865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1864865 = 5 ⋅372973.

It can be written as a sum of positive squares in 2 ways, for example, as 4494400 + 1190281 = 2120^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 5684681 - 2⁶ = 5684617 is a prime.

It is a super-2 number, since 2×5684681² = 64631196143522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5684641) 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, 167180 + ... + 167213.

It is an arithmetic number, because the mean of its divisors is an integer number (1504773).

Almost surely, 2^5684681 is an apocalyptic number.

It is an amenable number.

5684681 is a deficient number, since it is larger than the sum of its proper divisors (334411).

5684681 is a wasteful number, since it uses less digits than its factorization.

5684681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334410.

The product of its digits is 46080, while the sum is 38.

The square root of 5684681 is about 2384.2569072984. The cubic root of 5684681 is about 178.4714284446.

The spelling of 5684681 in words is "five million, six hundred eighty-four thousand, six hundred eighty-one".