447636 has 36 divisors (see below), whose sum is σ = 1210272. Its totient is φ = 126144.

The previous prime is 447617. The next prime is 447637. The reversal of 447636 is 636744.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447637) by changing a digit.

447636 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, 6096 + ... + 6168.

2⁴⁴⁷⁶³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605136).

447636 is an abundant number, since it is smaller than the sum of its proper divisors (762636).

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

447636 is a wasteful number, since it uses less digits than its factorization.

447636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 85 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 447636 is about 669.0560514636. The cubic root of 447636 is about 76.4965182746.

Multiplying 447636 by its product of digits (12096), we get a square (5414605056 = 73584²).

The spelling of 447636 in words is "four hundred forty-seven thousand, six hundred thirty-six".