447433385 has 32 divisors (see below), whose sum is σ = 637845504. Its totient is φ = 294840000.

The previous prime is 447433381. The next prime is 447433397. The reversal of 447433385 is 583334744.

It is not a de Polignac number, because 447433385 - 2² = 447433381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (447433381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162470 + ... + 165200.

It is an arithmetic number, because the mean of its divisors is an integer number (19932672).

Almost surely, 2^447433385 is an apocalyptic number.

It is an amenable number.

447433385 is a deficient number, since it is larger than the sum of its proper divisors (190412119).

447433385 is a wasteful number, since it uses less digits than its factorization.

447433385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its digits is 483840, while the sum is 41.

The square root of 447433385 is about 21152.6212323674. The cubic root of 447433385 is about 764.8497490669.

The spelling of 447433385 in words is "four hundred forty-seven million, four hundred thirty-three thousand, three hundred eighty-five".