449637406 has 16 divisors (see below), whose sum is σ = 691640208. Its totient is φ = 219102400.

The previous prime is 449637379. The next prime is 449637421. The reversal of 449637406 is 604736944.

It is a congruent number.

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, 94521 + ... + 99163.

It is an arithmetic number, because the mean of its divisors is an integer number (43227513).

Almost surely, 2^449637406 is an apocalyptic number.

449637406 is a deficient number, since it is larger than the sum of its proper divisors (242002802).

449637406 is a wasteful number, since it uses less digits than its factorization.

449637406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 449637406 is about 21204.6552907610. The cubic root of 449637406 is about 766.1035554562.

The spelling of 449637406 in words is "four hundred forty-nine million, six hundred thirty-seven thousand, four hundred six".