448264821 has 8 divisors (see below), whose sum is σ = 597880800. Its totient is φ = 298746032.

The previous prime is 448264811. The next prime is 448264847. The reversal of 448264821 is 128462844.

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 448264821 - 2⁷ = 448264693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448264821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448264801) 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, 12750 + ... + 32543.

It is an arithmetic number, because the mean of its divisors is an integer number (74735100).

Almost surely, 2^448264821 is an apocalyptic number.

It is an amenable number.

448264821 is a deficient number, since it is larger than the sum of its proper divisors (149615979).

448264821 is a wasteful number, since it uses less digits than its factorization.

448264821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48595.

The product of its digits is 98304, while the sum is 39.

The square root of 448264821 is about 21172.2653724159. The cubic root of 448264821 is about 765.3232125627.

The spelling of 448264821 in words is "four hundred forty-eight million, two hundred sixty-four thousand, eight hundred twenty-one".