2689006 has 4 divisors (see below), whose sum is σ = 4033512. Its totient is φ = 1344502.

The previous prime is 2688997. The next prime is 2689007. The reversal of 2689006 is 6009862.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672250 + ... + 672253.

It is an arithmetic number, because the mean of its divisors is an integer number (1008378).

2^2689006 is an apocalyptic number.

2689006 is a deficient number, since it is larger than the sum of its proper divisors (1344506).

2689006 is a wasteful number, since it uses less digits than its factorization.

2689006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344505.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2689006 is about 1639.8188924390. The cubic root of 2689006 is about 139.0584092808.

The spelling of 2689006 in words is "two million, six hundred eighty-nine thousand, six".