491606298 has 12 divisors (see below), whose sum is σ = 1065147018. Its totient is φ = 163868760.

The previous prime is 491606287. The next prime is 491606299. The reversal of 491606298 is 892606194.

It is a happy number.

491606298 is a `hidden beast` number, since 4 + 9 + 16 + 0 + 629 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 317445489 + 174160809 = 17817^2 + 13197^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (491606299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13655713 + ... + 13655748.

Almost surely, 2^491606298 is an apocalyptic number.

491606298 is an abundant number, since it is smaller than the sum of its proper divisors (573540720).

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

491606298 is a wasteful number, since it uses less digits than its factorization.

491606298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27311469 (or 27311466 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 491606298 is about 22172.1965082398. The cubic root of 491606298 is about 789.2340479687.

The spelling of 491606298 in words is "four hundred ninety-one million, six hundred six thousand, two hundred ninety-eight".