618044 has 12 divisors (see below), whose sum is σ = 1236144. Its totient is φ = 264864.

The previous prime is 618041. The next prime is 618049. The reversal of 618044 is 440816.

It is a happy number.

618044 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11009 + ... + 11064.

It is an arithmetic number, because the mean of its divisors is an integer number (103012).

2⁶¹⁸⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

618044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618044 is a wasteful number, since it uses less digits than its factorization.

618044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22084 (or 22082 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 618044 is about 786.1577449851. The cubic root of 618044 is about 85.1804241359.

The spelling of 618044 in words is "six hundred eighteen thousand, forty-four".