490986 has 12 divisors (see below), whose sum is σ = 1063842. Its totient is φ = 163656.

The previous prime is 490969. The next prime is 490991. The reversal of 490986 is 689094.

It can be written as a sum of positive squares in only one way, i.e., 463761 + 27225 = 681^2 + 165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 490986.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13621 + ... + 13656.

2⁴⁹⁰⁹⁸⁶ is an apocalyptic number.

490986 is an abundant number, since it is smaller than the sum of its proper divisors (572856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490986 is a wasteful number, since it uses less digits than its factorization.

490986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27285 (or 27282 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 490986 is about 700.7039317715. The cubic root of 490986 is about 78.8901962210.

The spelling of 490986 in words is "four hundred ninety thousand, nine hundred eighty-six".