667341 has 6 divisors (see below), whose sum is σ = 963950. Its totient is φ = 444888.

The previous prime is 667333. The next prime is 667351. The reversal of 667341 is 143766.

It can be written as a sum of positive squares in only one way, i.e., 594441 + 72900 = 771^2 + 270^2 .

It is not a de Polignac number, because 667341 - 2³ = 667333 is a prime.

It is a Duffinian number.

667341 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667321) 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 5 ways as a sum of consecutive naturals, for example, 37066 + ... + 37083.

2⁶⁶⁷³⁴¹ is an apocalyptic number.

It is an amenable number.

667341 is a deficient number, since it is larger than the sum of its proper divisors (296609).

667341 is a wasteful number, since it uses less digits than its factorization.

667341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74155 (or 74152 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 667341 is about 816.9094197033. The cubic root of 667341 is about 87.3874907696.

The spelling of 667341 in words is "six hundred sixty-seven thousand, three hundred forty-one".