491262194 has 16 divisors (see below), whose sum is σ = 752405760. Its totient is φ = 240480240.

The previous prime is 491262181. The next prime is 491262197.

491262194 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (491262197) 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, 47327 + ... + 56765.

It is an arithmetic number, because the mean of its divisors is an integer number (47025360).

Almost surely, 2^491262194 is an apocalyptic number.

491262194 is a deficient number, since it is larger than the sum of its proper divisors (261143566).

491262194 is a wasteful number, since it uses less digits than its factorization.

491262194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985.

The product of its digits is 31104, while the sum is 38.

The square root of 491262194 is about 22164.4353413300. The cubic root of 491262194 is about 789.0498612979.

The spelling of 491262194 in words is "four hundred ninety-one million, two hundred sixty-two thousand, one hundred ninety-four".