612018 has 36 divisors (see below), whose sum is σ = 1462734. Its totient is φ = 184800.

The previous prime is 612011. The next prime is 612023. The reversal of 612018 is 810216.

612018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 480249 + 131769 = 693^2 + 363^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (612011) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2038 + ... + 2318.

2⁶¹²⁰¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731367).

612018 is an abundant number, since it is smaller than the sum of its proper divisors (850716).

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

612018 is a wasteful number, since it uses less digits than its factorization.

612018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 612018 is about 782.3157930146. The cubic root of 612018 is about 84.9026798506.

The spelling of 612018 in words is "six hundred twelve thousand, eighteen".