447216342 has 16 divisors (see below), whose sum is σ = 909593280. Its totient is φ = 146545352.

The previous prime is 447216317. The next prime is 447216349. The reversal of 447216342 is 243612744.

It is a super-3 number, since 3×447216342³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447216349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631308 + ... + 632015.

It is an arithmetic number, because the mean of its divisors is an integer number (56849580).

Almost surely, 2^447216342 is an apocalyptic number.

447216342 is an abundant number, since it is smaller than the sum of its proper divisors (462376938).

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

447216342 is a wasteful number, since it uses less digits than its factorization.

447216342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263387.

The product of its digits is 32256, while the sum is 33.

The square root of 447216342 is about 21147.4902056958. The cubic root of 447216342 is about 764.7260568115.

The spelling of 447216342 in words is "four hundred forty-seven million, two hundred sixteen thousand, three hundred forty-two".