490039 has 4 divisors (see below), whose sum is σ = 534600. Its totient is φ = 445480.

The previous prime is 490033. The next prime is 490057. The reversal of 490039 is 930094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490039 - 2³ = 490031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489995 and 490022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490031) 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 3 ways as a sum of consecutive naturals, for example, 22264 + ... + 22285.

It is an arithmetic number, because the mean of its divisors is an integer number (133650).

2⁴⁹⁰⁰³⁹ is an apocalyptic number.

490039 is a deficient number, since it is larger than the sum of its proper divisors (44561).

490039 is a wasteful number, since it uses less digits than its factorization.

490039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44560.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 490039 is about 700.0278565886. The cubic root of 490039 is about 78.8394431788.

The spelling of 490039 in words is "four hundred ninety thousand, thirty-nine".