448330906 has 4 divisors (see below), whose sum is σ = 672496362. Its totient is φ = 224165452.

The previous prime is 448330903. The next prime is 448330913. The reversal of 448330906 is 609033844.

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

It can be written as a sum of positive squares in only one way, i.e., 422919225 + 25411681 = 20565^2 + 5041^2 .

It is not an unprimeable number, because it can be changed into a prime (448330903) 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 as a sum of consecutive naturals, namely, 112082725 + ... + 112082728.

Almost surely, 2^448330906 is an apocalyptic number.

448330906 is a deficient number, since it is larger than the sum of its proper divisors (224165456).

448330906 is a wasteful number, since it uses less digits than its factorization.

448330906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224165455.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 448330906 is about 21173.8259650919. The cubic root of 448330906 is about 765.3608197217.

The spelling of 448330906 in words is "four hundred forty-eight million, three hundred thirty thousand, nine hundred six".