447888349 has 8 divisors (see below), whose sum is σ = 472955040. Its totient is φ = 422971056.

The previous prime is 447888281. The next prime is 447888359. The reversal of 447888349 is 943888744.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447888349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447888349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447888359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31159 + ... + 43204.

It is an arithmetic number, because the mean of its divisors is an integer number (59119380).

Almost surely, 2^447888349 is an apocalyptic number.

It is an amenable number.

447888349 is a deficient number, since it is larger than the sum of its proper divisors (25066691).

447888349 is a wasteful number, since it uses less digits than its factorization.

447888349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74699.

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

The square root of 447888349 is about 21163.3728172047. The cubic root of 447888349 is about 765.1089021492.

The spelling of 447888349 in words is "four hundred forty-seven million, eight hundred eighty-eight thousand, three hundred forty-nine".