449229818 has 8 divisors (see below), whose sum is σ = 674034912. Its totient is φ = 224551516.

The previous prime is 449229817. The next prime is 449229827. The reversal of 449229818 is 818922944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (449229817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22280 + ... + 37347.

It is an arithmetic number, because the mean of its divisors is an integer number (84254364).

Almost surely, 2^449229818 is an apocalyptic number.

449229818 is a deficient number, since it is larger than the sum of its proper divisors (224805094).

449229818 is a wasteful number, since it uses less digits than its factorization.

449229818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63396.

The product of its digits is 331776, while the sum is 47.

The square root of 449229818 is about 21195.0422976695. The cubic root of 449229818 is about 765.8719992360.

The spelling of 449229818 in words is "four hundred forty-nine million, two hundred twenty-nine thousand, eight hundred eighteen".