5686445 has 4 divisors (see below), whose sum is σ = 6823740. Its totient is φ = 4549152.

The previous prime is 5686441. The next prime is 5686487. The reversal of 5686445 is 5446865.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4012009 + 1674436 = 2003^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686445 - 2² = 5686441 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5686399 and 5686408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686441) 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, 568640 + ... + 568649.

It is an arithmetic number, because the mean of its divisors is an integer number (1705935).

Almost surely, 2^5686445 is an apocalyptic number.

It is an amenable number.

5686445 is a deficient number, since it is larger than the sum of its proper divisors (1137295).

5686445 is a wasteful number, since it uses less digits than its factorization.

5686445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137294.

The product of its digits is 115200, while the sum is 38.

The square root of 5686445 is about 2384.6268051836. The cubic root of 5686445 is about 178.4898868853.

The spelling of 5686445 in words is "five million, six hundred eighty-six thousand, four hundred forty-five".