491094883 has 4 divisors (see below), whose sum is σ = 491147568. Its totient is φ = 491042200.

The previous prime is 491094847. The next prime is 491094887. The reversal of 491094883 is 388490194.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 491094883 - 2²⁵ = 457540451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491094887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8191 + ... + 32392.

It is an arithmetic number, because the mean of its divisors is an integer number (122786892).

Almost surely, 2^491094883 is an apocalyptic number.

491094883 is a deficient number, since it is larger than the sum of its proper divisors (52685).

491094883 is a wasteful number, since it uses less digits than its factorization.

491094883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 491094883 is about 22160.6607076594. The cubic root of 491094883 is about 788.9602745742.

The spelling of 491094883 in words is "four hundred ninety-one million, ninety-four thousand, eight hundred eighty-three".