447246449 has 16 divisors (see below), whose sum is σ = 495124560. Its totient is φ = 401448960.

The previous prime is 447246433. The next prime is 447246461. The reversal of 447246449 is 944642744.

It can be written as a sum of positive squares in 8 ways, for example, as 203262049 + 243984400 = 14257^2 + 15620^2 .

It is a cyclic number.

It is not a de Polignac number, because 447246449 - 2⁴ = 447246433 is a prime.

It is a super-2 number, since 2×447246449² = 400058772286219202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447246469) 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 15 ways as a sum of consecutive naturals, for example, 67409 + ... + 73745.

It is an arithmetic number, because the mean of its divisors is an integer number (30945285).

Almost surely, 2^447246449 is an apocalyptic number.

It is an amenable number.

447246449 is a deficient number, since it is larger than the sum of its proper divisors (47878111).

447246449 is a wasteful number, since it uses less digits than its factorization.

447246449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500.

The product of its digits is 774144, while the sum is 44.

The square root of 447246449 is about 21148.2020275956. The cubic root of 447246449 is about 764.7432171048.

The spelling of 447246449 in words is "four hundred forty-seven million, two hundred forty-six thousand, four hundred forty-nine".