447678 has 96 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 103680.

The previous prime is 447677. The next prime is 447683. The reversal of 447678 is 876744.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23553 + ... + 23571.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2⁴⁴⁷⁶⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673920).

447678 is an abundant number, since it is smaller than the sum of its proper divisors (900162).

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

447678 is a wasteful number, since it uses less digits than its factorization.

447678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 59 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 447678 is about 669.0874382321. The cubic root of 447678 is about 76.4989106599.

It can be divided in two parts, 4476 and 78, that added together give a palindrome (4554).

The spelling of 447678 in words is "four hundred forty-seven thousand, six hundred seventy-eight".