490247 has 2 divisors, whose sum is σ = 490248. Its totient is φ = 490246.

The previous prime is 490241. The next prime is 490249. The reversal of 490247 is 742094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490247 - 2⁶ = 490183 is a prime.

Together with 490249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490247.

It is not a weakly prime, because it can be changed into another prime (490241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245123 + 245124.

It is an arithmetic number, because the mean of its divisors is an integer number (245124).

2⁴⁹⁰²⁴⁷ is an apocalyptic number.

490247 is a deficient number, since it is larger than the sum of its proper divisors (1).

490247 is an equidigital number, since it uses as much as digits as its factorization.

490247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 490247 is about 700.1764063434. The cubic root of 490247 is about 78.8505962262.

It can be divided in two parts, 490 and 247, that added together give a palindrome (737).

The spelling of 490247 in words is "four hundred ninety thousand, two hundred forty-seven".