2006749 has 4 divisors (see below), whose sum is σ = 2026336. Its totient is φ = 1987164.

The previous prime is 2006707. The next prime is 2006779. The reversal of 2006749 is 9476002.

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 2006749 - 2¹¹ = 2004701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006779) 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, 9639 + ... + 9844.

It is an arithmetic number, because the mean of its divisors is an integer number (506584).

2^2006749 is an apocalyptic number.

It is an amenable number.

2006749 is a deficient number, since it is larger than the sum of its proper divisors (19587).

2006749 is a wasteful number, since it uses less digits than its factorization.

2006749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19586.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2006749 is about 1416.5976845950. The cubic root of 2006749 is about 126.1336659956.

The spelling of 2006749 in words is "two million, six thousand, seven hundred forty-nine".