491059308 has 18 divisors (see below), whose sum is σ = 1145984196. Its totient is φ = 163660848.

The previous prime is 491059307. The next prime is 491059319. The reversal of 491059308 is 803950194.

It is a super-2 number, since 2×491059308² = 482278487946877728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (491059307) 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, 73566 + ... + 79962.

Almost surely, 2^491059308 is an apocalyptic number.

It is an amenable number.

491059308 is an abundant number, since it is smaller than the sum of its proper divisors (654924888).

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

491059308 is an frugal number, since it uses more digits than its factorization.

491059308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12801 (or 6402 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 491059308 is about 22159.8580320362. The cubic root of 491059308 is about 788.9412233070.

The spelling of 491059308 in words is "four hundred ninety-one million, fifty-nine thousand, three hundred eight".