447764548 has 48 divisors (see below), whose sum is σ = 996912000. Its totient is φ = 174447840.

The previous prime is 447764543. The next prime is 447764549. The reversal of 447764548 is 845467744.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (447764543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (20769000).

Almost surely, 2^447764548 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 447764548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498456000).

447764548 is an abundant number, since it is smaller than the sum of its proper divisors (549147452).

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

447764548 is a wasteful number, since it uses less digits than its factorization.

447764548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29705 (or 29689 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 49.

The square root of 447764548 is about 21160.4477268322. The cubic root of 447764548 is about 765.0384009658.

The spelling of 447764548 in words is "four hundred forty-seven million, seven hundred sixty-four thousand, five hundred forty-eight".