618244 has 12 divisors (see below), whose sum is σ = 1180368. Its totient is φ = 281000.

The previous prime is 618229. The next prime is 618253. The reversal of 618244 is 442816.

It is an unprimeable number.

618244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6982 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (98364).

2⁶¹⁸²⁴⁴ is an apocalyptic number.

It is an amenable number.

618244 is a deficient number, since it is larger than the sum of its proper divisors (562124).

618244 is a wasteful number, since it uses less digits than its factorization.

618244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066 (or 14064 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 618244 is about 786.2849356308. The cubic root of 618244 is about 85.1896113175.

It can be divided in two parts, 6182 and 44, that added together give a palindrome (6226).

The spelling of 618244 in words is "six hundred eighteen thousand, two hundred forty-four".