449608489 has 16 divisors (see below), whose sum is σ = 510390720. Its totient is φ = 392311360.

The previous prime is 449608477. The next prime is 449608499. The reversal of 449608489 is 984806944.

It is a cyclic number.

It is not a de Polignac number, because 449608489 - 2¹⁷ = 449477417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449608429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51114 + ... + 59260.

It is an arithmetic number, because the mean of its divisors is an integer number (31899420).

Almost surely, 2^449608489 is an apocalyptic number.

It is an amenable number.

449608489 is a deficient number, since it is larger than the sum of its proper divisors (60782231).

449608489 is a wasteful number, since it uses less digits than its factorization.

449608489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 449608489 is about 21203.9734248089. The cubic root of 449608489 is about 766.0871319327.

The spelling of 449608489 in words is "four hundred forty-nine million, six hundred eight thousand, four hundred eighty-nine".