490965 has 16 divisors (see below), whose sum is σ = 798336. Its totient is φ = 257600.

The previous prime is 490957. The next prime is 490967. The reversal of 490965 is 569094.

It is a happy number.

It is not a de Polignac number, because 490965 - 2³ = 490957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2⁴⁹⁰⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

490965 is a deficient number, since it is larger than the sum of its proper divisors (307371).

490965 is a wasteful number, since it uses less digits than its factorization.

490965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 490965 is about 700.6889466803. The cubic root of 490965 is about 78.8890714654.

The spelling of 490965 in words is "four hundred ninety thousand, nine hundred sixty-five".