447983488 has 16 divisors (see below), whose sum is σ = 892467360. Its totient is φ = 223991680.

The previous prime is 447983429. The next prime is 447983491. The reversal of 447983488 is 884389744.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×447983488² = 401378411041292288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749808 + ... + 1750063.

It is an arithmetic number, because the mean of its divisors is an integer number (55779210).

Almost surely, 2^447983488 is an apocalyptic number.

447983488 is the 11314-th centered heptagonal number.

It is an amenable number.

447983488 is a deficient number, since it is larger than the sum of its proper divisors (444483872).

447983488 is an equidigital number, since it uses as much as digits as its factorization.

447983488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499885 (or 3499873 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 55.

The square root of 447983488 is about 21165.6204255864. The cubic root of 447983488 is about 765.1630723031.

The spelling of 447983488 in words is "four hundred forty-seven million, nine hundred eighty-three thousand, four hundred eighty-eight".