2000667 has 4 divisors (see below), whose sum is σ = 2667560. Its totient is φ = 1333776.

The previous prime is 2000659. The next prime is 2000671. The reversal of 2000667 is 7660002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2000667 - 2³ = 2000659 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000767) 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, 333442 + ... + 333447.

It is an arithmetic number, because the mean of its divisors is an integer number (666890).

2^2000667 is an apocalyptic number.

2000667 is a deficient number, since it is larger than the sum of its proper divisors (666893).

2000667 is an equidigital number, since it uses as much as digits as its factorization.

2000667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666892.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2000667 is about 1414.4493628264. The cubic root of 2000667 is about 126.0061095551.

Adding to 2000667 its reverse (7660002), we get a palindrome (9660669).

The spelling of 2000667 in words is "two million, six hundred sixty-seven", and thus it is an aban number.