662885 has 8 divisors (see below), whose sum is σ = 800280. Its totient is φ = 527104.

The previous prime is 662867. The next prime is 662897. The reversal of 662885 is 588266.

662885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 662596 = 17^2 + 814^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 662885 - 2¹⁶ = 597349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881 + ... + 1449.

It is an arithmetic number, because the mean of its divisors is an integer number (100035).

2⁶⁶²⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

662885 is a deficient number, since it is larger than the sum of its proper divisors (137395).

662885 is a wasteful number, since it uses less digits than its factorization.

662885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 23040, while the sum is 35.

The square root of 662885 is about 814.1774990750. The cubic root of 662885 is about 87.1925536525.

The spelling of 662885 in words is "six hundred sixty-two thousand, eight hundred eighty-five".