448291659 has 4 divisors (see below), whose sum is σ = 597722216. Its totient is φ = 298861104.

The previous prime is 448291633. The next prime is 448291661. The reversal of 448291659 is 956192844.

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

It is not a de Polignac number, because 448291659 - 2⁹ = 448291147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448291619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74715274 + ... + 74715279.

It is an arithmetic number, because the mean of its divisors is an integer number (149430554).

Almost surely, 2^448291659 is an apocalyptic number.

448291659 is a deficient number, since it is larger than the sum of its proper divisors (149430557).

448291659 is a wasteful number, since it uses less digits than its factorization.

448291659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149430556.

The product of its digits is 622080, while the sum is 48.

The square root of 448291659 is about 21172.8991637895. The cubic root of 448291659 is about 765.3384857773.

It can be divided in two parts, 4482 and 91659, that added together give a triangular number (96141 = T₄₃₈).

The spelling of 448291659 in words is "four hundred forty-eight million, two hundred ninety-one thousand, six hundred fifty-nine".