2686006 has 4 divisors (see below), whose sum is σ = 4029012. Its totient is φ = 1343002.

The previous prime is 2685989. The next prime is 2686007. The reversal of 2686006 is 6006862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6006862 = 2 ⋅3003431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671500 + ... + 671503.

It is an arithmetic number, because the mean of its divisors is an integer number (1007253).

2^2686006 is an apocalyptic number.

2686006 is a deficient number, since it is larger than the sum of its proper divisors (1343006).

2686006 is a wasteful number, since it uses less digits than its factorization.

2686006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343005.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2686006 is about 1638.9039020028. The cubic root of 2686006 is about 139.0066763524.

The spelling of 2686006 in words is "two million, six hundred eighty-six thousand, six".