490635 has 12 divisors (see below), whose sum is σ = 850512. Its totient is φ = 261648.

The previous prime is 490631. The next prime is 490643. The reversal of 490635 is 536094.

It is a happy number.

It is not a de Polignac number, because 490635 - 2² = 490631 is a prime.

490635 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 490599 and 490608.

It is not an unprimeable number, because it can be changed into a prime (490631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5407 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (70876).

2⁴⁹⁰⁶³⁵ is an apocalyptic number.

490635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

490635 is a deficient number, since it is larger than the sum of its proper divisors (359877).

490635 is a wasteful number, since it uses less digits than its factorization.

490635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914 (or 10911 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 490635 is about 700.4534245758. The cubic root of 490635 is about 78.8713925212.

The spelling of 490635 in words is "four hundred ninety thousand, six hundred thirty-five".