449904387 has 8 divisors (see below), whose sum is σ = 600025360. Its totient is φ = 299859840.

The previous prime is 449904379. The next prime is 449904391. The reversal of 449904387 is 783409944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449904387 - 2³ = 449904379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449904307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3562 + ... + 30207.

It is an arithmetic number, because the mean of its divisors is an integer number (75003170).

Almost surely, 2^449904387 is an apocalyptic number.

449904387 is a deficient number, since it is larger than the sum of its proper divisors (150120973).

449904387 is a wasteful number, since it uses less digits than its factorization.

449904387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38213.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 449904387 is about 21210.9496958528. The cubic root of 449904387 is about 766.2551551094.

The spelling of 449904387 in words is "four hundred forty-nine million, nine hundred four thousand, three hundred eighty-seven".