662485 has 8 divisors (see below), whose sum is σ = 816696. Its totient is φ = 515520.

The previous prime is 662483. The next prime is 662491. The reversal of 662485 is 584266.

It can be written as a sum of positive squares in 4 ways, for example, as 323761 + 338724 = 569^2 + 582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662485 - 2¹ = 662483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662483) 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, 1606 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (102087).

2⁶⁶²⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

662485 is a deficient number, since it is larger than the sum of its proper divisors (154211).

662485 is a wasteful number, since it uses less digits than its factorization.

662485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623.

The product of its digits is 11520, while the sum is 31.

The square root of 662485 is about 813.9318153261. The cubic root of 662485 is about 87.1750121287.

The spelling of 662485 in words is "six hundred sixty-two thousand, four hundred eighty-five".