400230 has 24 divisors (see below), whose sum is σ = 1040832. Its totient is φ = 106704.

The previous prime is 400217. The next prime is 400237. The reversal of 400230 is 32004.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400237) by changing a digit.

400230 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 11 ways as a sum of consecutive naturals, for example, 2134 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (43368).

2⁴⁰⁰²³⁰ is an apocalyptic number.

400230 is an abundant number, since it is smaller than the sum of its proper divisors (640602).

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

400230 is a wasteful number, since it uses less digits than its factorization.

400230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 400230 is about 632.6373368684. The cubic root of 400230 is about 73.6947493877.

Adding to 400230 its reverse (32004), we get a palindrome (432234).

It can be divided in two parts, 400 and 230, that added together give a triangular number (630 = T₃₅).

The spelling of 400230 in words is "four hundred thousand, two hundred thirty".