449085637 has 24 divisors (see below), whose sum is σ = 613744992. Its totient is φ = 323013600.

The previous prime is 449085629. The next prime is 449085641. The reversal of 449085637 is 736580944.

It is not a de Polignac number, because 449085637 - 2³ = 449085629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449085607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25039 + ... + 39052.

It is an arithmetic number, because the mean of its divisors is an integer number (25572708).

Almost surely, 2^449085637 is an apocalyptic number.

It is an amenable number.

449085637 is a deficient number, since it is larger than the sum of its proper divisors (164659355).

449085637 is a wasteful number, since it uses less digits than its factorization.

449085637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64129 (or 64122 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 449085637 is about 21191.6407340253. The cubic root of 449085637 is about 765.7900545372.

The spelling of 449085637 in words is "four hundred forty-nine million, eighty-five thousand, six hundred thirty-seven".