662117 has 4 divisors (see below), whose sum is σ = 665676. Its totient is φ = 658560.

The previous prime is 662111. The next prime is 662141. The reversal of 662117 is 711266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711266 = 2 ⋅355633.

It can be written as a sum of positive squares in 2 ways, for example, as 591361 + 70756 = 769^2 + 266^2 .

It is a cyclic number.

It is not a de Polignac number, because 662117 - 2¹⁰ = 661093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662092 and 662101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (166419).

2⁶⁶²¹¹⁷ is an apocalyptic number.

It is an amenable number.

662117 is a deficient number, since it is larger than the sum of its proper divisors (3559).

662117 is a wasteful number, since it uses less digits than its factorization.

662117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558.

The product of its digits is 504, while the sum is 23.

The square root of 662117 is about 813.7057207615. The cubic root of 662117 is about 87.1588676895.

The spelling of 662117 in words is "six hundred sixty-two thousand, one hundred seventeen".