448381146 has 16 divisors (see below), whose sum is σ = 905144544. Its totient is φ = 148063344.

The previous prime is 448381127. The next prime is 448381181. The reversal of 448381146 is 641183844.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348565 + ... + 349848.

It is an arithmetic number, because the mean of its divisors is an integer number (56571534).

Almost surely, 2^448381146 is an apocalyptic number.

448381146 is an abundant number, since it is smaller than the sum of its proper divisors (456763398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448381146 is a wasteful number, since it uses less digits than its factorization.

448381146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698525.

The product of its digits is 73728, while the sum is 39.

The square root of 448381146 is about 21175.0123022396. The cubic root of 448381146 is about 765.3894074537.

The spelling of 448381146 in words is "four hundred forty-eight million, three hundred eighty-one thousand, one hundred forty-six".