490629 has 4 divisors (see below), whose sum is σ = 654176. Its totient is φ = 327084.

The previous prime is 490627. The next prime is 490631. The reversal of 490629 is 926094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (490627) and next prime (490631).

It is not a de Polignac number, because 490629 - 2¹ = 490627 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490596 and 490605.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81769 + ... + 81774.

It is an arithmetic number, because the mean of its divisors is an integer number (163544).

2⁴⁹⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

490629 is a deficient number, since it is larger than the sum of its proper divisors (163547).

490629 is a wasteful number, since it uses less digits than its factorization.

490629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163546.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 490629 is about 700.4491416227. The cubic root of 490629 is about 78.8710710125.

The spelling of 490629 in words is "four hundred ninety thousand, six hundred twenty-nine".