5931685 has 4 divisors (see below), whose sum is σ = 7118028. Its totient is φ = 4745344.

The previous prime is 5931661. The next prime is 5931697. The reversal of 5931685 is 5861395.

5931685 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5861395 = 5 ⋅1172279.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 1999396 = 1983^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 5931685 - 2¹³ = 5923493 is a prime.

It is a Duffinian number.

5931685 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593164 + ... + 593173.

It is an arithmetic number, because the mean of its divisors is an integer number (1779507).

Almost surely, 2^5931685 is an apocalyptic number.

It is an amenable number.

5931685 is a deficient number, since it is larger than the sum of its proper divisors (1186343).

5931685 is a wasteful number, since it uses less digits than its factorization.

5931685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186342.

The product of its digits is 32400, while the sum is 37.

The square root of 5931685 is about 2435.5050810869. The cubic root of 5931685 is about 181.0197774549.

It can be divided in two parts, 593 and 1685, that added together give a triangular number (2278 = T₆₇).

The spelling of 5931685 in words is "five million, nine hundred thirty-one thousand, six hundred eighty-five".