491464194 has 16 divisors (see below), whose sum is σ = 1058538432. Its totient is φ = 151219728.

The previous prime is 491464187. The next prime is 491464199.

491464194 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (491464199) 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, 3150334 + ... + 3150489.

It is an arithmetic number, because the mean of its divisors is an integer number (66158652).

Almost surely, 2^491464194 is an apocalyptic number.

491464194 is an abundant number, since it is smaller than the sum of its proper divisors (567074238).

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

491464194 is a wasteful number, since it uses less digits than its factorization.

491464194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300841.

The product of its digits is 124416, while the sum is 42.

The square root of 491464194 is about 22168.9917226743. The cubic root of 491464194 is about 789.1579951573.

The spelling of 491464194 in words is "four hundred ninety-one million, four hundred sixty-four thousand, one hundred ninety-four".