447422397 has 8 divisors (see below), whose sum is σ = 601261056. Its totient is φ = 295932672.

The previous prime is 447422383. The next prime is 447422399. The reversal of 447422397 is 793224744.

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

It is not a de Polignac number, because 447422397 - 2⁸ = 447422141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447422399) 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, 586788 + ... + 587549.

It is an arithmetic number, because the mean of its divisors is an integer number (75157632).

Almost surely, 2^447422397 is an apocalyptic number.

It is an amenable number.

447422397 is a deficient number, since it is larger than the sum of its proper divisors (153838659).

447422397 is a wasteful number, since it uses less digits than its factorization.

447422397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174467.

The product of its digits is 338688, while the sum is 42.

The square root of 447422397 is about 21152.3614993693. The cubic root of 447422397 is about 764.8434879949.

The spelling of 447422397 in words is "four hundred forty-seven million, four hundred twenty-two thousand, three hundred ninety-seven".