449398 has 4 divisors (see below), whose sum is σ = 674100. Its totient is φ = 224698.

The previous prime is 449381. The next prime is 449399. The reversal of 449398 is 893944.

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

It is a plaindrome in base 8.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449399) by changing a digit.

449398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112348 + ... + 112351.

It is an arithmetic number, because the mean of its divisors is an integer number (168525).

2⁴⁴⁹³⁹⁸ is an apocalyptic number.

449398 is a deficient number, since it is larger than the sum of its proper divisors (224702).

449398 is a wasteful number, since it uses less digits than its factorization.

449398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224701.

The product of its digits is 31104, while the sum is 37.

The square root of 449398 is about 670.3715387753. The cubic root of 449398 is about 76.5967562656.

The spelling of 449398 in words is "four hundred forty-nine thousand, three hundred ninety-eight".