447132 has 24 divisors (see below), whose sum is σ = 1192576. Its totient is φ = 127728.

The previous prime is 447119. The next prime is 447133. The reversal of 447132 is 231744.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a junction number, because it is equal to n+sod(n) for n = 447099 and 447108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447133) by changing a digit.

447132 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 7 ways as a sum of consecutive naturals, for example, 2578 + ... + 2745.

2⁴⁴⁷¹³² is an apocalyptic number.

447132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

447132 is an abundant number, since it is smaller than the sum of its proper divisors (745444).

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

447132 is a wasteful number, since it uses less digits than its factorization.

447132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337 (or 5335 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 447132 is about 668.6792953277. The cubic root of 447132 is about 76.4677979722.

Adding to 447132 its reverse (231744), we get a palindrome (678876).

The spelling of 447132 in words is "four hundred forty-seven thousand, one hundred thirty-two".