449262985 has 16 divisors (see below), whose sum is σ = 543428496. Its totient is φ = 356548608.

The previous prime is 449262977. The next prime is 449263019. The reversal of 449262985 is 589262944.

It can be written as a sum of positive squares in 8 ways, for example, as 61842496 + 387420489 = 7864^2 + 19683^2 .

It is a cyclic number.

It is not a de Polignac number, because 449262985 - 2³ = 449262977 is a prime.

It is a super-2 number, since 2×449262985² = 403674459382220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401647 + ... + 402763.

It is an arithmetic number, because the mean of its divisors is an integer number (33964281).

Almost surely, 2^449262985 is an apocalyptic number.

It is an amenable number.

449262985 is a deficient number, since it is larger than the sum of its proper divisors (94165511).

449262985 is a wasteful number, since it uses less digits than its factorization.

449262985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its digits is 1244160, while the sum is 49.

The square root of 449262985 is about 21195.8247067671. The cubic root of 449262985 is about 765.8908470881.

The spelling of 449262985 in words is "four hundred forty-nine million, two hundred sixty-two thousand, nine hundred eighty-five".