400332 has 24 divisors (see below), whose sum is σ = 948976. Its totient is φ = 131328.

The previous prime is 400331. The next prime is 400339. The reversal of 400332 is 233004.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 400332.

It is not an unprimeable number, because it can be changed into a prime (400331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648 + ... + 1104.

2⁴⁰⁰³³² is an apocalyptic number.

It is an amenable number.

400332 is an abundant number, since it is smaller than the sum of its proper divisors (548644).

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

400332 is a wasteful number, since it uses less digits than its factorization.

400332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 400332 is about 632.7179466397. The cubic root of 400332 is about 73.7010093099.

Adding to 400332 its reverse (233004), we get a palindrome (633336).

The spelling of 400332 in words is "four hundred thousand, three hundred thirty-two".