448979 has 4 divisors (see below), whose sum is σ = 450984. Its totient is φ = 446976.

The previous prime is 448969. The next prime is 448993. The reversal of 448979 is 979844.

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

It is a cyclic number.

It is not a de Polignac number, because 448979 - 2¹² = 444883 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448979.

It is not an unprimeable number, because it can be changed into a prime (448939) 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, 617 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (112746).

2⁴⁴⁸⁹⁷⁹ is an apocalyptic number.

448979 is a deficient number, since it is larger than the sum of its proper divisors (2005).

448979 is a wasteful number, since it uses less digits than its factorization.

448979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its digits is 72576, while the sum is 41.

The square root of 448979 is about 670.0589526303. The cubic root of 448979 is about 76.5729436538.

The spelling of 448979 in words is "four hundred forty-eight thousand, nine hundred seventy-nine".