447020249 has 16 divisors (see below), whose sum is σ = 505714944. Its totient is φ = 392040000.

The previous prime is 447020237. The next prime is 447020251. The reversal of 447020249 is 942020744.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447020249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447020549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40199 + ... + 50099.

It is an arithmetic number, because the mean of its divisors is an integer number (31607184).

Almost surely, 2^447020249 is an apocalyptic number.

It is an amenable number.

447020249 is a deficient number, since it is larger than the sum of its proper divisors (58694695).

447020249 is a wasteful number, since it uses less digits than its factorization.

447020249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 447020249 is about 21142.8533788607. The cubic root of 447020249 is about 764.6142694911.

The spelling of 447020249 in words is "four hundred forty-seven million, twenty thousand, two hundred forty-nine".