234018 has 12 divisors (see below), whose sum is σ = 507078. Its totient is φ = 78000.

The previous prime is 234007. The next prime is 234029. The reversal of 234018 is 810432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (234007) and next prime (234029).

It can be written as a sum of positive squares in only one way, i.e., 233289 + 729 = 483^2 + 27^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13001 = 234018 / (2 + 3 + 4 + 0 + 1 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6483 + ... + 6518.

2²³⁴⁰¹⁸ is an apocalyptic number.

234018 is an abundant number, since it is smaller than the sum of its proper divisors (273060).

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

234018 is a wasteful number, since it uses less digits than its factorization.

234018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009 (or 13006 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 234018 is about 483.7540697503. The cubic root of 234018 is about 61.6239814986.

It can be divided in two parts, 23401 and 8, that added together give a square (23409 = 153²).

The spelling of 234018 in words is "two hundred thirty-four thousand, eighteen".