662005 has 8 divisors (see below), whose sum is σ = 820224. Its totient is φ = 512400.

The previous prime is 662003. The next prime is 662021. The reversal of 662005 is 500266.

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

It is not a de Polignac number, because 662005 - 2¹ = 662003 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 (662003) 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, 1981 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (102528).

2⁶⁶²⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

662005 is a deficient number, since it is larger than the sum of its proper divisors (158219).

662005 is a wasteful number, since it uses less digits than its factorization.

662005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 662005 is about 813.6368969018. The cubic root of 662005 is about 87.1539529773.

The spelling of 662005 in words is "six hundred sixty-two thousand, five".