490293 has 10 divisors (see below), whose sum is σ = 732534. Its totient is φ = 326808.

The previous prime is 490283. The next prime is 490309. The reversal of 490293 is 392094.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 178929 = 558^2 + 423^2 .

It is not a de Polignac number, because 490293 - 2⁴ = 490277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2946 + ... + 3107.

2⁴⁹⁰²⁹³ is an apocalyptic number.

It is an amenable number.

490293 is a deficient number, since it is larger than the sum of its proper divisors (242241).

490293 is an equidigital number, since it uses as much as digits as its factorization.

490293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065 (or 6056 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 490293 is about 700.2092544376. The cubic root of 490293 is about 78.8530623395.

The spelling of 490293 in words is "four hundred ninety thousand, two hundred ninety-three".