447869738 has 4 divisors (see below), whose sum is σ = 671804610. Its totient is φ = 223934868.

The previous prime is 447869701. The next prime is 447869759. The reversal of 447869738 is 837968744.

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

It can be written as a sum of positive squares in only one way, i.e., 413024329 + 34845409 = 20323^2 + 5903^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111967433 + ... + 111967436.

Almost surely, 2^447869738 is an apocalyptic number.

447869738 is a deficient number, since it is larger than the sum of its proper divisors (223934872).

447869738 is a wasteful number, since it uses less digits than its factorization.

447869738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223934871.

The product of its digits is 8128512, while the sum is 56.

The square root of 447869738 is about 21162.9331142921. The cubic root of 447869738 is about 765.0983045385.

The spelling of 447869738 in words is "four hundred forty-seven million, eight hundred sixty-nine thousand, seven hundred thirty-eight".