5686321 has 4 divisors (see below), whose sum is σ = 5741632. Its totient is φ = 5631012.

The previous prime is 5686309. The next prime is 5686333. The reversal of 5686321 is 1236865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5686309) and next prime (5686333).

It is a cyclic number.

It is not a de Polignac number, because 5686321 - 2⁷ = 5686193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5686921) 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, 27501 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (1435408).

Almost surely, 2^5686321 is an apocalyptic number.

It is an amenable number.

5686321 is a deficient number, since it is larger than the sum of its proper divisors (55311).

5686321 is a wasteful number, since it uses less digits than its factorization.

5686321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55310.

The product of its digits is 8640, while the sum is 31.

The square root of 5686321 is about 2384.6008051663. The cubic root of 5686321 is about 178.4885894779.

It can be divided in two parts, 568 and 6321, that added together give a square (6889 = 83²).

The spelling of 5686321 in words is "five million, six hundred eighty-six thousand, three hundred twenty-one".