5686389 has 16 divisors (see below), whose sum is σ = 8605440. Its totient is φ = 3709440.

The previous prime is 5686333. The next prime is 5686397. The reversal of 5686389 is 9836865.

5686389 is a `hidden beast` number, since 5 + 6 + 8 + 638 + 9 = 666.

It is not a de Polignac number, because 5686389 - 2⁸ = 5686133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

Almost surely, 2^5686389 is an apocalyptic number.

It is an amenable number.

5686389 is a deficient number, since it is larger than the sum of its proper divisors (2919051).

5686389 is a wasteful number, since it uses less digits than its factorization.

5686389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537 (or 4531 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 5686389 is about 2384.6150632754. The cubic root of 5686389 is about 178.4893009617.

The spelling of 5686389 in words is "five million, six hundred eighty-six thousand, three hundred eighty-nine".