447889499 has 8 divisors (see below), whose sum is σ = 451500000. Its totient is φ = 444292992.

The previous prime is 447889487. The next prime is 447889501. The reversal of 447889499 is 994988744.

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

It is a cyclic number.

It is not a de Polignac number, because 447889499 - 2⁴ = 447889483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447889199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66227 + ... + 72675.

It is an arithmetic number, because the mean of its divisors is an integer number (56437500).

Almost surely, 2^447889499 is an apocalyptic number.

447889499 is a deficient number, since it is larger than the sum of its proper divisors (3610501).

447889499 is a wasteful number, since it uses less digits than its factorization.

447889499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997.

The product of its digits is 20901888, while the sum is 62.

The square root of 447889499 is about 21163.3999867696. The cubic root of 447889499 is about 765.1095569809.

The spelling of 447889499 in words is "four hundred forty-seven million, eight hundred eighty-nine thousand, four hundred ninety-nine".