490771 has 2 divisors, whose sum is σ = 490772. Its totient is φ = 490770.

The previous prime is 490769. The next prime is 490783. The reversal of 490771 is 177094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490771 - 2¹ = 490769 is a prime.

Together with 490769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (490741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245385 + 245386.

It is an arithmetic number, because the mean of its divisors is an integer number (245386).

2⁴⁹⁰⁷⁷¹ is an apocalyptic number.

490771 is a deficient number, since it is larger than the sum of its proper divisors (1).

490771 is an equidigital number, since it uses as much as digits as its factorization.

490771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 490771 is about 700.5504978230. The cubic root of 490771 is about 78.8786793491.

The spelling of 490771 in words is "four hundred ninety thousand, seven hundred seventy-one".