490004 has 6 divisors (see below), whose sum is σ = 857514. Its totient is φ = 245000.

The previous prime is 490003. The next prime is 490019. The reversal of 490004 is 400094.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 4 = 700^2 + 2^2 .

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 490004.

It is not an unprimeable number, because it can be changed into a prime (490001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61247 + ... + 61254.

It is an arithmetic number, because the mean of its divisors is an integer number (142919).

2⁴⁹⁰⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

490004 is a deficient number, since it is larger than the sum of its proper divisors (367510).

490004 is a wasteful number, since it uses less digits than its factorization.

490004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122505 (or 122503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 490004 is about 700.0028571370. The cubic root of 490004 is about 78.8375661539.

Adding to 490004 its reverse (400094), we get a palindrome (890098).

The spelling of 490004 in words is "four hundred ninety thousand, four".