485990 has 16 divisors (see below), whose sum is σ = 913248. Its totient is φ = 185856.

The previous prime is 485977. The next prime is 485993. The reversal of 485990 is 99584.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 485990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485993) 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 7 ways as a sum of consecutive naturals, for example, 827 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (57078).

2⁴⁸⁵⁹⁹⁰ is an apocalyptic number.

485990 is a deficient number, since it is larger than the sum of its proper divisors (427258).

485990 is a wasteful number, since it uses less digits than its factorization.

485990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 485990 is about 697.1298300891. The cubic root of 485990 is about 78.6217025754.

The spelling of 485990 in words is "four hundred eighty-five thousand, nine hundred ninety".