5637845 has 8 divisors (see below), whose sum is σ = 6788664. Its totient is φ = 4494784.

The previous prime is 5637839. The next prime is 5637857. The reversal of 5637845 is 5487365.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 5484964 = 391^2 + 2342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5637845 - 2¹⁰ = 5636821 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5637799 and 5637808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (848583).

Almost surely, 2^5637845 is an apocalyptic number.

It is an amenable number.

5637845 is a deficient number, since it is larger than the sum of its proper divisors (1150819).

5637845 is a wasteful number, since it uses less digits than its factorization.

5637845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879.

The product of its digits is 100800, while the sum is 38.

The square root of 5637845 is about 2374.4146647121. The cubic root of 5637845 is about 177.9799350358.

The spelling of 5637845 in words is "five million, six hundred thirty-seven thousand, eight hundred forty-five".