448936649 has 8 divisors (see below), whose sum is σ = 520728768. Its totient is φ = 379059120.

The previous prime is 448936619. The next prime is 448936667. The reversal of 448936649 is 946639844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448936649 - 2²⁰ = 447888073 is a prime.

It is a super-2 number, since 2×448936649² = 403088229630698402, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 448936649.

It is not an unprimeable number, because it can be changed into a prime (448936619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478142 + ... + 479079.

It is an arithmetic number, because the mean of its divisors is an integer number (65091096).

Almost surely, 2^448936649 is an apocalyptic number.

It is an amenable number.

448936649 is a deficient number, since it is larger than the sum of its proper divisors (71792119).

448936649 is an equidigital number, since it uses as much as digits as its factorization.

448936649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957295.

The product of its digits is 4478976, while the sum is 53.

The square root of 448936649 is about 21188.1251884163. The cubic root of 448936649 is about 765.7053593709.

The spelling of 448936649 in words is "four hundred forty-eight million, nine hundred thirty-six thousand, six hundred forty-nine".