447798428 has 48 divisors (see below), whose sum is σ = 1034498304. Its totient is φ = 164202240.

The previous prime is 447798413. The next prime is 447798437. The reversal of 447798428 is 824897744.

It is a self number, because there is not a number n which added to its sum of digits gives 447798428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37526 + ... + 47997.

It is an arithmetic number, because the mean of its divisors is an integer number (21552048).

Almost surely, 2^447798428 is an apocalyptic number.

It is an amenable number.

447798428 is an abundant number, since it is smaller than the sum of its proper divisors (586699876).

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

447798428 is a wasteful number, since it uses less digits than its factorization.

447798428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85562 (or 85560 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 447798428 is about 21161.2482618583. The cubic root of 447798428 is about 765.0576959632.

The spelling of 447798428 in words is "four hundred forty-seven million, seven hundred ninety-eight thousand, four hundred twenty-eight".