494191 has 2 divisors, whose sum is σ = 494192. Its totient is φ = 494190.

The previous prime is 494167. The next prime is 494213. The reversal of 494191 is 191494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494191 - 2¹⁷ = 363119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247095 + 247096.

It is an arithmetic number, because the mean of its divisors is an integer number (247096).

2⁴⁹⁴¹⁹¹ is an apocalyptic number.

494191 is a deficient number, since it is larger than the sum of its proper divisors (1).

494191 is an equidigital number, since it uses as much as digits as its factorization.

494191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 494191 is about 702.9871976075. The cubic root of 494191 is about 79.0614807422.

The spelling of 494191 in words is "four hundred ninety-four thousand, one hundred ninety-one".