5618842 has 8 divisors (see below), whose sum is σ = 8450100. Its totient is φ = 2802144.

The previous prime is 5618839. The next prime is 5618849. The reversal of 5618842 is 2488165.

It can be written as a sum of positive squares in 2 ways, for example, as 5574321 + 44521 = 2361^2 + 211^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 5618798 and 5618807.

It is not an unprimeable number, because it can be changed into a prime (5618849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617 + ... + 4252.

Almost surely, 2^5618842 is an apocalyptic number.

5618842 is a deficient number, since it is larger than the sum of its proper divisors (2831258).

5618842 is a wasteful number, since it uses less digits than its factorization.

5618842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280.

The product of its digits is 15360, while the sum is 34.

The square root of 5618842 is about 2370.4096692344. The cubic root of 5618842 is about 177.7797427156.

The spelling of 5618842 in words is "five million, six hundred eighteen thousand, eight hundred forty-two".