449478798 has 16 divisors (see below), whose sum is σ = 899178960. Its totient is φ = 149789376.

The previous prime is 449478797. The next prime is 449478817. The reversal of 449478798 is 897874944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449478791) 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, 30018 + ... + 42426.

It is an arithmetic number, because the mean of its divisors is an integer number (56198685).

Almost surely, 2^449478798 is an apocalyptic number.

449478798 is an abundant number, since it is smaller than the sum of its proper divisors (449700162).

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

449478798 is a wasteful number, since it uses less digits than its factorization.

449478798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18451.

The product of its digits is 16257024, while the sum is 60.

The square root of 449478798 is about 21200.9150274228. The cubic root of 449478798 is about 766.0134647584.

The spelling of 449478798 in words is "four hundred forty-nine million, four hundred seventy-eight thousand, seven hundred ninety-eight".