449476087 has 4 divisors (see below), whose sum is σ = 459039456. Its totient is φ = 439912720.

The previous prime is 449476081. The next prime is 449476091. The reversal of 449476087 is 780674944.

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 449476087 - 2¹⁹ = 448951799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449476087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449476081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4781614 + ... + 4781707.

It is an arithmetic number, because the mean of its divisors is an integer number (114759864).

Almost surely, 2^449476087 is an apocalyptic number.

449476087 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

449476087 is a deficient number, since it is larger than the sum of its proper divisors (9563369).

449476087 is an equidigital number, since it uses as much as digits as its factorization.

449476087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563368.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 449476087 is about 21200.8510914067. The cubic root of 449476087 is about 766.0119247031.

The spelling of 449476087 in words is "four hundred forty-nine million, four hundred seventy-six thousand, eighty-seven".