230418 has 32 divisors (see below), whose sum is σ = 544320. Its totient is φ = 72000.

The previous prime is 230393. The next prime is 230431. The reversal of 230418 is 814032.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 230418.

It is an unprimeable number.

230418 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 15 ways as a sum of consecutive naturals, for example, 793 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2²³⁰⁴¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272160).

230418 is an abundant number, since it is smaller than the sum of its proper divisors (313902).

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

230418 is a wasteful number, since it uses less digits than its factorization.

230418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 273 counting only the distinct ones).

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

The square root of 230418 is about 480.0187496338. The cubic root of 230418 is about 61.3063510279.

Subtracting from 230418 its sum of digits (18), we obtain a square (230400 = 480²).

The spelling of 230418 in words is "two hundred thirty thousand, four hundred eighteen".