491606270 has 32 divisors (see below), whose sum is σ = 905592960. Its totient is φ = 192075520.

The previous prime is 491606267. The next prime is 491606273. The reversal of 491606270 is 72606194.

It is an interprime number because it is at equal distance from previous prime (491606267) and next prime (491606273).

It is a self number, because there is not a number n which added to its sum of digits gives 491606270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491606273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124730 + ... + 128610.

It is an arithmetic number, because the mean of its divisors is an integer number (28299780).

Almost surely, 2^491606270 is an apocalyptic number.

491606270 is a deficient number, since it is larger than the sum of its proper divisors (413986690).

491606270 is a wasteful number, since it uses less digits than its factorization.

491606270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 491606270 is about 22172.1958768183. The cubic root of 491606270 is about 789.2340329848.

The spelling of 491606270 in words is "four hundred ninety-one million, six hundred six thousand, two hundred seventy".