618468 has 12 divisors (see below), whose sum is σ = 1443120. Its totient is φ = 206152.

The previous prime is 618463. The next prime is 618509. The reversal of 618468 is 864816.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (618463) by changing a digit.

618468 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, 25758 + ... + 25781.

It is an arithmetic number, because the mean of its divisors is an integer number (120260).

2⁶¹⁸⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

618468 is an abundant number, since it is smaller than the sum of its proper divisors (824652).

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

618468 is a wasteful number, since it uses less digits than its factorization.

618468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51546 (or 51544 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 618468 is about 786.4273647324. The cubic root of 618468 is about 85.1998986091.

The spelling of 618468 in words is "six hundred eighteen thousand, four hundred sixty-eight".