447398 has 8 divisors (see below), whose sum is σ = 766992. Its totient is φ = 191736.

The previous prime is 447353. The next prime is 447401. The reversal of 447398 is 893744.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447398.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15965 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (95874).

2⁴⁴⁷³⁹⁸ is an apocalyptic number.

447398 is a deficient number, since it is larger than the sum of its proper divisors (319594).

447398 is a wasteful number, since it uses less digits than its factorization.

447398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31966.

The product of its digits is 24192, while the sum is 35.

The square root of 447398 is about 668.8781652887. The cubic root of 447398 is about 76.4829585975.

It can be divided in two parts, 447 and 398, that multiplied together give a triangular number (177906 = T₅₉₆).

The spelling of 447398 in words is "four hundred forty-seven thousand, three hundred ninety-eight".