490633 has 16 divisors (see below), whose sum is σ = 596736. Its totient is φ = 397440.

The previous prime is 490631. The next prime is 490643. The reversal of 490633 is 336094.

It is a cyclic number.

It is not a de Polignac number, because 490633 - 2¹ = 490631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490598 and 490607.

It is not an unprimeable number, because it can be changed into a prime (490631) 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 15 ways as a sum of consecutive naturals, for example, 6685 + ... + 6757.

It is an arithmetic number, because the mean of its divisors is an integer number (37296).

2⁴⁹⁰⁶³³ is an apocalyptic number.

It is an amenable number.

490633 is a deficient number, since it is larger than the sum of its proper divisors (106103).

490633 is a wasteful number, since it uses less digits than its factorization.

490633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 490633 is about 700.4519969277. The cubic root of 490633 is about 78.8712853519.

The spelling of 490633 in words is "four hundred ninety thousand, six hundred thirty-three".