449697924 has 72 divisors (see below), whose sum is σ = 1228299072. Its totient is φ = 137903040.

The previous prime is 449697907. The next prime is 449697949. The reversal of 449697924 is 429796944.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153457 + ... + 156359.

Almost surely, 2^449697924 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 449697924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614149536).

449697924 is an abundant number, since it is smaller than the sum of its proper divisors (778601148).

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

449697924 is a wasteful number, since it uses less digits than its factorization.

449697924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257 (or 3252 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 449697924 is about 21206.0822407158. The cubic root of 449697924 is about 766.1379246127.

The spelling of 449697924 in words is "four hundred forty-nine million, six hundred ninety-seven thousand, nine hundred twenty-four".