449498784 has 96 divisors (see below), whose sum is σ = 1364912640. Its totient is φ = 126865152.

The previous prime is 449498759. The next prime is 449498809. The reversal of 449498784 is 487894944.

It is an interprime number because it is at equal distance from previous prime (449498759) and next prime (449498809).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51747 + ... + 59805.

It is an arithmetic number, because the mean of its divisors is an integer number (14217840).

Almost surely, 2^449498784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449498784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682456320).

449498784 is an abundant number, since it is smaller than the sum of its proper divisors (915413856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449498784 is a wasteful number, since it uses less digits than its factorization.

449498784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162 (or 8154 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The square root of 449498784 is about 21201.3863697637. The cubic root of 449498784 is about 766.0248181439.

The spelling of 449498784 in words is "four hundred forty-nine million, four hundred ninety-eight thousand, seven hundred eighty-four".