667041 has 4 divisors (see below), whose sum is σ = 889392. Its totient is φ = 444692.

The previous prime is 667021. The next prime is 667081. The reversal of 667041 is 140766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 667041 - 2⁹ = 666529 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 667041.

It is not an unprimeable number, because it can be changed into a prime (667021) 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, 111171 + ... + 111176.

It is an arithmetic number, because the mean of its divisors is an integer number (222348).

2⁶⁶⁷⁰⁴¹ is an apocalyptic number.

It is an amenable number.

667041 is a deficient number, since it is larger than the sum of its proper divisors (222351).

667041 is a wasteful number, since it uses less digits than its factorization.

667041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222350.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 667041 is about 816.7257801735. The cubic root of 667041 is about 87.3743939287.

The spelling of 667041 in words is "six hundred sixty-seven thousand, forty-one".