449611938 has 64 divisors (see below), whose sum is σ = 1030888320. Its totient is φ = 145146816.

The previous prime is 449611933. The next prime is 449611951. The reversal of 449611938 is 839116944.

It is a junction number, because it is equal to n+sod(n) for n = 449611893 and 449611902.

It is not an unprimeable number, because it can be changed into a prime (449611933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613020 + ... + 613752.

It is an arithmetic number, because the mean of its divisors is an integer number (16107630).

Almost surely, 2^449611938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449611938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515444160).

449611938 is an abundant number, since it is smaller than the sum of its proper divisors (581276382).

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

449611938 is a wasteful number, since it uses less digits than its factorization.

449611938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 449611938 is about 21204.0547537493. The cubic root of 449611938 is about 766.0890908428.

The spelling of 449611938 in words is "four hundred forty-nine million, six hundred eleven thousand, nine hundred thirty-eight".