447273916 has 12 divisors (see below), whose sum is σ = 816761232. Its totient is φ = 213913568.

The previous prime is 447273913. The next prime is 447273941. The reversal of 447273916 is 619372744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447273913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430745 + ... + 2430928.

It is an arithmetic number, because the mean of its divisors is an integer number (68063436).

Almost surely, 2^447273916 is an apocalyptic number.

447273916 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

447273916 is a deficient number, since it is larger than the sum of its proper divisors (369487316).

447273916 is a wasteful number, since it uses less digits than its factorization.

447273916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861700 (or 4861698 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 447273916 is about 21148.8514108923. The cubic root of 447273916 is about 764.7588719874.

The spelling of 447273916 in words is "four hundred forty-seven million, two hundred seventy-three thousand, nine hundred sixteen".