449453837 has 16 divisors (see below), whose sum is σ = 558581760. Its totient is φ = 352781568.

The previous prime is 449453819. The next prime is 449453839. The reversal of 449453837 is 738354944.

It is a cyclic number.

It is not a de Polignac number, because 449453837 - 2¹⁶ = 449388301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449453791 and 449453800.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 46637 + ... + 55442.

It is an arithmetic number, because the mean of its divisors is an integer number (34911360).

Almost surely, 2^449453837 is an apocalyptic number.

It is an amenable number.

449453837 is a deficient number, since it is larger than the sum of its proper divisors (109127923).

449453837 is a wasteful number, since it uses less digits than its factorization.

449453837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102140.

The product of its digits is 1451520, while the sum is 47.

The square root of 449453837 is about 21200.3263418279. The cubic root of 449453837 is about 765.9992847673. Note that the first 3 decimals are identical.

The spelling of 449453837 in words is "four hundred forty-nine million, four hundred fifty-three thousand, eight hundred thirty-seven".