448206649 has 16 divisors (see below), whose sum is σ = 534422016. Its totient is φ = 371116800.

The previous prime is 448206613. The next prime is 448206653. The reversal of 448206649 is 946602844.

It is not a de Polignac number, because 448206649 - 2²⁷ = 313988921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448206659) 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, 32862 + ... + 44455.

It is an arithmetic number, because the mean of its divisors is an integer number (33401376).

Almost surely, 2^448206649 is an apocalyptic number.

It is an amenable number.

448206649 is a deficient number, since it is larger than the sum of its proper divisors (86215367).

448206649 is a wasteful number, since it uses less digits than its factorization.

448206649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77376.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 448206649 is about 21170.8915494837. The cubic root of 448206649 is about 765.2901054157.

The spelling of 448206649 in words is "four hundred forty-eight million, two hundred six thousand, six hundred forty-nine".