490623 has 16 divisors (see below), whose sum is σ = 761856. Its totient is φ = 275040.

The previous prime is 490619. The next prime is 490627. The reversal of 490623 is 326094.

It is an interprime number because it is at equal distance from previous prime (490619) and next prime (490627).

It is not a de Polignac number, because 490623 - 2² = 490619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490593 and 490602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090 + ... + 1472.

It is an arithmetic number, because the mean of its divisors is an integer number (47616).

2⁴⁹⁰⁶²³ is an apocalyptic number.

490623 is a deficient number, since it is larger than the sum of its proper divisors (271233).

490623 is a wasteful number, since it uses less digits than its factorization.

490623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 490623 is about 700.4448586434. Note that the first 3 decimals coincide. The cubic root of 490623 is about 78.8707495012.

The spelling of 490623 in words is "four hundred ninety thousand, six hundred twenty-three".