447981498 has 48 divisors (see below), whose sum is σ = 1003602600. Its totient is φ = 144322560.

The previous prime is 447981491. The next prime is 447981503. The reversal of 447981498 is 894189744.

447981498 is a `hidden beast` number, since 4 + 4 + 79 + 81 + 498 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 241398369 + 206583129 = 15537^2 + 14373^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (447981491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77658 + ... + 83226.

Almost surely, 2^447981498 is an apocalyptic number.

447981498 is an abundant number, since it is smaller than the sum of its proper divisors (555621102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447981498 is a wasteful number, since it uses less digits than its factorization.

447981498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727 (or 5724 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 447981498 is about 21165.5734153365. The cubic root of 447981498 is about 765.1619393173.

The spelling of 447981498 in words is "four hundred forty-seven million, nine hundred eighty-one thousand, four hundred ninety-eight".