491010608 has 40 divisors (see below), whose sum is σ = 1039725120. Its totient is φ = 222776640.

The previous prime is 491010607. The next prime is 491010613. The reversal of 491010608 is 806010194.

It is not an unprimeable number, because it can be changed into a prime (491010607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106691 + ... + 111197.

It is an arithmetic number, because the mean of its divisors is an integer number (25993128).

Almost surely, 2^491010608 is an apocalyptic number.

It is an amenable number.

491010608 is an abundant number, since it is smaller than the sum of its proper divisors (548714512).

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

491010608 is a wasteful number, since it uses less digits than its factorization.

491010608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 491010608 is about 22158.7591710366. The cubic root of 491010608 is about 788.9151417950.

The spelling of 491010608 in words is "four hundred ninety-one million, ten thousand, six hundred eight".