449476686 has 24 divisors (see below), whose sum is σ = 997620624. Its totient is φ = 146171040.

The previous prime is 449476661. The next prime is 449476693. The reversal of 449476686 is 686674944.

449476686 is a `hidden beast` number, since 4 + 494 + 76 + 6 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303786 + ... + 305261.

It is an arithmetic number, because the mean of its divisors is an integer number (41567526).

Almost surely, 2^449476686 is an apocalyptic number.

449476686 is an abundant number, since it is smaller than the sum of its proper divisors (548143938).

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

449476686 is a wasteful number, since it uses less digits than its factorization.

449476686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609096 (or 609093 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 449476686 is about 21200.8652181933. The cubic root of 449476686 is about 766.0122649814.

The spelling of 449476686 in words is "four hundred forty-nine million, four hundred seventy-six thousand, six hundred eighty-six".