449041387 has 4 divisors (see below), whose sum is σ = 457513920. Its totient is φ = 440568856.

The previous prime is 449041363. The next prime is 449041403. The reversal of 449041387 is 783140944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449041387 - 2²⁷ = 314823659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449041487) 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, 4236187 + ... + 4236292.

It is an arithmetic number, because the mean of its divisors is an integer number (114378480).

Almost surely, 2^449041387 is an apocalyptic number.

449041387 is a deficient number, since it is larger than the sum of its proper divisors (8472533).

449041387 is an equidigital number, since it uses as much as digits as its factorization.

449041387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472532.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 449041387 is about 21190.5966645586. The cubic root of 449041387 is about 765.7649017080.

The spelling of 449041387 in words is "four hundred forty-nine million, forty-one thousand, three hundred eighty-seven".