491296718 has 16 divisors (see below), whose sum is σ = 846253440. Its totient is φ = 211563000.

The previous prime is 491296709. The next prime is 491296733. The reversal of 491296718 is 817692194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587258 + ... + 588093.

It is an arithmetic number, because the mean of its divisors is an integer number (52890840).

Almost surely, 2^491296718 is an apocalyptic number.

491296718 is a deficient number, since it is larger than the sum of its proper divisors (354956722).

491296718 is a wasteful number, since it uses less digits than its factorization.

491296718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175383.

The product of its digits is 217728, while the sum is 47.

The square root of 491296718 is about 22165.2141428861. The cubic root of 491296718 is about 789.0683446521.

The spelling of 491296718 in words is "four hundred ninety-one million, two hundred ninety-six thousand, seven hundred eighteen".