441432 has 24 divisors (see below), whose sum is σ = 1195740. Its totient is φ = 147120.

The previous prime is 441421. The next prime is 441443. The reversal of 441432 is 234144.

It is an interprime number because it is at equal distance from previous prime (441421) and next prime (441443).

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

441432 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, 2994 + ... + 3137.

2⁴⁴¹⁴³² is an apocalyptic number.

It is an amenable number.

441432 is an abundant number, since it is smaller than the sum of its proper divisors (754308).

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

441432 is a wasteful number, since it uses less digits than its factorization.

441432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143 (or 6136 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 441432 is about 664.4034918632. The cubic root of 441432 is about 76.1414724074.

Adding to 441432 its reverse (234144), we get a palindrome (675576).

The spelling of 441432 in words is "four hundred forty-one thousand, four hundred thirty-two".