449085487 has 4 divisors (see below), whose sum is σ = 449381880. Its totient is φ = 448789096.

The previous prime is 449085467. The next prime is 449085569. The reversal of 449085487 is 784580944.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 449085487 - 2¹⁵ = 449052719 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449085487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449085467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145912 + ... + 148957.

It is an arithmetic number, because the mean of its divisors is an integer number (112345470).

Almost surely, 2^449085487 is an apocalyptic number.

449085487 is a deficient number, since it is larger than the sum of its proper divisors (296393).

449085487 is a wasteful number, since it uses less digits than its factorization.

449085487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296392.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 449085487 is about 21191.6371948936. The cubic root of 449085487 is about 765.7899692762.

The spelling of 449085487 in words is "four hundred forty-nine million, eighty-five thousand, four hundred eighty-seven".