490816 has 14 divisors (see below), whose sum is σ = 974090. Its totient is φ = 245376.

The previous prime is 490783. The next prime is 490829. The reversal of 490816 is 618094.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 6400 = 696^2 + 80^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771 + ... + 3898.

2⁴⁹⁰⁸¹⁶ is an apocalyptic number.

It is an amenable number.

490816 is a deficient number, since it is larger than the sum of its proper divisors (483274).

490816 is an equidigital number, since it uses as much as digits as its factorization.

490816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681 (or 7671 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 490816 is about 700.5826146858. The cubic root of 490816 is about 78.8810901355.

The spelling of 490816 in words is "four hundred ninety thousand, eight hundred sixteen".