449760989 has 8 divisors (see below), whose sum is σ = 488705280. Its totient is φ = 412344000.

The previous prime is 449760943. The next prime is 449761019. The reversal of 449760989 is 989067944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449760989 - 2⁸ = 449760733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449760089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381212 + ... + 382389.

It is an arithmetic number, because the mean of its divisors is an integer number (61088160).

Almost surely, 2^449760989 is an apocalyptic number.

It is an amenable number.

449760989 is a deficient number, since it is larger than the sum of its proper divisors (38944291).

449760989 is a wasteful number, since it uses less digits than its factorization.

449760989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763651.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 449760989 is about 21207.5691440580. The cubic root of 449760989 is about 766.1737369711.

The spelling of 449760989 in words is "four hundred forty-nine million, seven hundred sixty thousand, nine hundred eighty-nine".