447198134 has 4 divisors (see below), whose sum is σ = 670797204. Its totient is φ = 223599066.

The previous prime is 447198113. The next prime is 447198139. The reversal of 447198134 is 431891744.

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

It is a junction number, because it is equal to n+sod(n) for n = 447198091 and 447198100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447198139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111799532 + ... + 111799535.

It is an arithmetic number, because the mean of its divisors is an integer number (167699301).

Almost surely, 2^447198134 is an apocalyptic number.

447198134 is a deficient number, since it is larger than the sum of its proper divisors (223599070).

447198134 is a wasteful number, since it uses less digits than its factorization.

447198134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223599069.

The product of its digits is 96768, while the sum is 41.

The square root of 447198134 is about 21147.0597010554. The cubic root of 447198134 is about 764.7156782992.

The spelling of 447198134 in words is "four hundred forty-seven million, one hundred ninety-eight thousand, one hundred thirty-four".