448644937 has 4 divisors (see below), whose sum is σ = 483156100. Its totient is φ = 414133776.

The previous prime is 448644913. The next prime is 448644941. The reversal of 448644937 is 739446844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167210761 + 281434176 = 12931^2 + 16776^2 .

It is a cyclic number.

It is not a de Polignac number, because 448644937 - 2¹⁵ = 448612169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448644737) 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 3 ways as a sum of consecutive naturals, for example, 17255562 + ... + 17255587.

It is an arithmetic number, because the mean of its divisors is an integer number (120789025).

Almost surely, 2^448644937 is an apocalyptic number.

It is an amenable number.

448644937 is a deficient number, since it is larger than the sum of its proper divisors (34511163).

448644937 is a wasteful number, since it uses less digits than its factorization.

448644937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34511162.

The product of its digits is 2322432, while the sum is 49.

The square root of 448644937 is about 21181.2402139252. The cubic root of 448644937 is about 765.5394756547.

The spelling of 448644937 in words is "four hundred forty-eight million, six hundred forty-four thousand, nine hundred thirty-seven".