447986441 has 16 divisors (see below), whose sum is σ = 521265024. Its totient is φ = 377084544.

The previous prime is 447986401. The next prime is 447986443. The reversal of 447986441 is 144689744.

It is a cyclic number.

It is not a de Polignac number, because 447986441 - 2¹⁸ = 447724297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447986443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98285 + ... + 102741.

It is an arithmetic number, because the mean of its divisors is an integer number (32579064).

Almost surely, 2^447986441 is an apocalyptic number.

It is an amenable number.

447986441 is a deficient number, since it is larger than the sum of its proper divisors (73278583).

447986441 is a wasteful number, since it uses less digits than its factorization.

447986441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720.

The product of its digits is 774144, while the sum is 47.

The square root of 447986441 is about 21165.6901848251. The cubic root of 447986441 is about 765.1647535567.

The spelling of 447986441 in words is "four hundred forty-seven million, nine hundred eighty-six thousand, four hundred forty-one".