400232 has 24 divisors (see below), whose sum is σ = 873810. Its totient is φ = 171360.

The previous prime is 400217. The next prime is 400237. The reversal of 400232 is 232004.

It can be written as a sum of positive squares in only one way, i.e., 329476 + 70756 = 574^2 + 266^2 .

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

400232 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 5 ways as a sum of consecutive naturals, for example, 119 + ... + 902.

2⁴⁰⁰²³² is an apocalyptic number.

It is an amenable number.

400232 is an abundant number, since it is smaller than the sum of its proper divisors (473578).

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

400232 is a wasteful number, since it uses less digits than its factorization.

400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 400232 is about 632.6389175509. The cubic root of 400232 is about 73.6948721415.

Adding to 400232 its reverse (232004), we get a palindrome (632236).

The spelling of 400232 in words is "four hundred thousand, two hundred thirty-two".