449996686 has 4 divisors (see below), whose sum is σ = 674995032. Its totient is φ = 224998342.

The previous prime is 449996653. The next prime is 449996693. The reversal of 449996686 is 686699944.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112499170 + ... + 112499173.

It is an arithmetic number, because the mean of its divisors is an integer number (168748758).

Almost surely, 2^449996686 is an apocalyptic number.

449996686 is a deficient number, since it is larger than the sum of its proper divisors (224998346).

449996686 is a wasteful number, since it uses less digits than its factorization.

449996686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224998345.

The product of its digits is 20155392, while the sum is 61.

The square root of 449996686 is about 21213.1253237235. The cubic root of 449996686 is about 766.3075512412.

The spelling of 449996686 in words is "four hundred forty-nine million, nine hundred ninety-six thousand, six hundred eighty-six".