447399398 has 4 divisors (see below), whose sum is σ = 671099100. Its totient is φ = 223699698.

The previous prime is 447399367. The next prime is 447399413. The reversal of 447399398 is 893993744.

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

It is a Curzon 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, 111849848 + ... + 111849851.

It is an arithmetic number, because the mean of its divisors is an integer number (167774775).

Almost surely, 2^447399398 is an apocalyptic number.

447399398 is a deficient number, since it is larger than the sum of its proper divisors (223699702).

447399398 is a wasteful number, since it uses less digits than its factorization.

447399398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223699701.

The product of its digits is 5878656, while the sum is 56.

The square root of 447399398 is about 21151.8178415001. The cubic root of 447399398 is about 764.8303826036.

The spelling of 447399398 in words is "four hundred forty-seven million, three hundred ninety-nine thousand, three hundred ninety-eight".