5685847 has 4 divisors (see below), whose sum is σ = 5818120. Its totient is φ = 5553576.

The previous prime is 5685833. The next prime is 5685857. The reversal of 5685847 is 7485865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5685847 is a prime.

It is a super-2 number, since 2×5685847² = 64657712214818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 132229 = 5685847 / (5 + 6 + 8 + 5 + 8 + 4 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685857) 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, 66072 + ... + 66157.

It is an arithmetic number, because the mean of its divisors is an integer number (1454530).

Almost surely, 2^5685847 is an apocalyptic number.

5685847 is a deficient number, since it is larger than the sum of its proper divisors (132273).

5685847 is a wasteful number, since it uses less digits than its factorization.

5685847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132272.

The product of its digits is 268800, while the sum is 43.

The square root of 5685847 is about 2384.5014153906. The cubic root of 5685847 is about 178.4836298598.

The spelling of 5685847 in words is "five million, six hundred eighty-five thousand, eight hundred forty-seven".