449156398 has 4 divisors (see below), whose sum is σ = 673734600. Its totient is φ = 224578198.

The previous prime is 449156381. The next prime is 449156413. The reversal of 449156398 is 893651944.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112289098 + ... + 112289101.

It is an arithmetic number, because the mean of its divisors is an integer number (168433650).

Almost surely, 2^449156398 is an apocalyptic number.

449156398 is a deficient number, since it is larger than the sum of its proper divisors (224578202).

449156398 is a wasteful number, since it uses less digits than its factorization.

449156398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224578201.

The product of its digits is 933120, while the sum is 49.

The square root of 449156398 is about 21193.3102180853. The cubic root of 449156398 is about 765.8302734619.

The spelling of 449156398 in words is "four hundred forty-nine million, one hundred fifty-six thousand, three hundred ninety-eight".