448485669 has 24 divisors (see below), whose sum is σ = 653713632. Its totient is φ = 296281440.

The previous prime is 448485659. The next prime is 448485673. The reversal of 448485669 is 966584844.

It is not a de Polignac number, because 448485669 - 2¹⁷ = 448354597 is a prime.

It is a super-2 number, since 2×448485669² = 402278790596755122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448485659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785154 + ... + 785724.

It is an arithmetic number, because the mean of its divisors is an integer number (27238068).

Almost surely, 2^448485669 is an apocalyptic number.

It is an amenable number.

448485669 is a deficient number, since it is larger than the sum of its proper divisors (205227963).

448485669 is a wasteful number, since it uses less digits than its factorization.

448485669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1214 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 448485669 is about 21177.4802325489. The cubic root of 448485669 is about 765.4488766369.

The spelling of 448485669 in words is "four hundred forty-eight million, four hundred eighty-five thousand, six hundred sixty-nine".