447428698 has 8 divisors (see below), whose sum is σ = 677082708. Its totient is φ = 221734464.

The previous prime is 447428693. The next prime is 447428743. The reversal of 447428698 is 896824744.

It can be written as a sum of positive squares in 2 ways, for example, as 284023609 + 163405089 = 16853^2 + 12783^2 .

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

It is not an unprimeable number, because it can be changed into a prime (447428693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989661 + ... + 990112.

Almost surely, 2^447428698 is an apocalyptic number.

447428698 is a deficient number, since it is larger than the sum of its proper divisors (229654010).

447428698 is a wasteful number, since it uses less digits than its factorization.

447428698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979888.

The product of its digits is 3096576, while the sum is 52.

The square root of 447428698 is about 21152.5104420256. The cubic root of 447428698 is about 764.8470783801.

The spelling of 447428698 in words is "four hundred forty-seven million, four hundred twenty-eight thousand, six hundred ninety-eight".