491327562 has 16 divisors (see below), whose sum is σ = 1071987552. Its totient is φ = 148887120.

The previous prime is 491327561. The next prime is 491327563. The reversal of 491327562 is 265723194.

It is an interprime number because it is at equal distance from previous prime (491327561) and next prime (491327563).

It is a self number, because there is not a number n which added to its sum of digits gives 491327562.

It is not an unprimeable number, because it can be changed into a prime (491327561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722113 + ... + 3722244.

It is an arithmetic number, because the mean of its divisors is an integer number (66999222).

Almost surely, 2^491327562 is an apocalyptic number.

491327562 is an abundant number, since it is smaller than the sum of its proper divisors (580659990).

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

491327562 is a wasteful number, since it uses less digits than its factorization.

491327562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444373.

The product of its digits is 90720, while the sum is 39.

The square root of 491327562 is about 22165.9099068818. The cubic root of 491327562 is about 789.0848570866.

The spelling of 491327562 in words is "four hundred ninety-one million, three hundred twenty-seven thousand, five hundred sixty-two".