618844 has 12 divisors (see below), whose sum is σ = 1092168. Its totient is φ = 306800.

The previous prime is 618841. The next prime is 618847. The reversal of 618844 is 448816.

618844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (618841) and next prime (618847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618841) 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, 67 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (91014).

2⁶¹⁸⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

618844 is a deficient number, since it is larger than the sum of its proper divisors (473324).

618844 is a wasteful number, since it uses less digits than its factorization.

618844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 618844 is about 786.6663841807. Note that the first 3 decimals coincide. The cubic root of 618844 is about 85.2171609800.

It can be divided in two parts, 6188 and 44, that multiplied together give a palindrome (272272).

The spelling of 618844 in words is "six hundred eighteen thousand, eight hundred forty-four".