447856500 has 384 divisors, whose sum is σ = 1708342272. Its totient is φ = 88473600.

The previous prime is 447856499. The next prime is 447856501. The reversal of 447856500 is 5658744.

It is an interprime number because it is at equal distance from previous prime (447856499) and next prime (447856501).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447856501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2320404 + ... + 2320596.

It is an arithmetic number, because the mean of its divisors is an integer number (4448808).

Almost surely, 2^447856500 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 447856500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854171136).

447856500 is an abundant number, since it is smaller than the sum of its proper divisors (1260485772).

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

447856500 is a wasteful number, since it uses less digits than its factorization.

447856500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 447856500 is about 21162.6203481516. The cubic root of 447856500 is about 765.0907662818.

The spelling of 447856500 in words is "four hundred forty-seven million, eight hundred fifty-six thousand, five hundred".