449035893 has 20 divisors (see below), whose sum is σ = 678873888. Its totient is φ = 295746120.

The previous prime is 449035871. The next prime is 449035901. The reversal of 449035893 is 398530944.

It is a happy number.

It is not a de Polignac number, because 449035893 - 2²⁰ = 447987317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449035393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26673 + ... + 40118.

Almost surely, 2^449035893 is an apocalyptic number.

It is an amenable number.

449035893 is a deficient number, since it is larger than the sum of its proper divisors (229837995).

449035893 is an equidigital number, since it uses as much as digits as its factorization.

449035893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66886 (or 66877 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 449035893 is about 21190.4670311912. The cubic root of 449035893 is about 765.7617786629.

The spelling of 449035893 in words is "four hundred forty-nine million, thirty-five thousand, eight hundred ninety-three".