449354187 has 12 divisors (see below), whose sum is σ = 649626744. Its totient is φ = 299311200.

The previous prime is 449354167. The next prime is 449354189. The reversal of 449354187 is 781453944.

It is not a de Polignac number, because 449354187 - 2¹² = 449350091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449354189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10189 + ... + 31662.

It is an arithmetic number, because the mean of its divisors is an integer number (54135562).

Almost surely, 2^449354187 is an apocalyptic number.

449354187 is a deficient number, since it is larger than the sum of its proper divisors (200272557).

449354187 is a wasteful number, since it uses less digits than its factorization.

449354187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43050 (or 43047 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 449354187 is about 21197.9760118743. The cubic root of 449354187 is about 765.9426697794.

The spelling of 449354187 in words is "four hundred forty-nine million, three hundred fifty-four thousand, one hundred eighty-seven".