449453836 has 12 divisors (see below), whose sum is σ = 847047712. Its totient is φ = 207440208.

The previous prime is 449453819. The next prime is 449453839. The reversal of 449453836 is 638354944.

It is a super-2 number, since 2×449453836² = 404017501390229792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449453839) 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, 4321620 + ... + 4321723.

Almost surely, 2^449453836 is an apocalyptic number.

It is an amenable number.

449453836 is a deficient number, since it is larger than the sum of its proper divisors (397593876).

449453836 is a wasteful number, since it uses less digits than its factorization.

449453836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643360 (or 8643358 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 449453836 is about 21200.3263182433. The cubic root of 449453836 is about 765.9992841992. Note that the first 3 decimals are identical.

The spelling of 449453836 in words is "four hundred forty-nine million, four hundred fifty-three thousand, eight hundred thirty-six".