447245632 has 14 divisors (see below), whose sum is σ = 887503178. Its totient is φ = 223622784.

The previous prime is 447245621. The next prime is 447245633. The reversal of 447245632 is 236542744.

It can be written as a sum of positive squares in only one way, i.e., 426670336 + 20575296 = 20656^2 + 4536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 447245591 and 447245600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447245633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494043 + ... + 3494170.

Almost surely, 2^447245632 is an apocalyptic number.

It is an amenable number.

447245632 is a deficient number, since it is larger than the sum of its proper divisors (440257546).

447245632 is an equidigital number, since it uses as much as digits as its factorization.

447245632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988225 (or 6988215 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 447245632 is about 21148.1827115239. The cubic root of 447245632 is about 764.7427514439.

The spelling of 447245632 in words is "four hundred forty-seven million, two hundred forty-five thousand, six hundred thirty-two".