2089749 has 8 divisors (see below), whose sum is σ = 2796640. Its totient is φ = 1388016.

The previous prime is 2089727. The next prime is 2089751. The reversal of 2089749 is 9479802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2089749 - 2⁷ = 2089621 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 (2089049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (349580).

2^2089749 is an apocalyptic number.

It is an amenable number.

2089749 is a deficient number, since it is larger than the sum of its proper divisors (706891).

2089749 is a wasteful number, since it uses less digits than its factorization.

2089749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2089749 is about 1445.5964167083. The cubic root of 2089749 is about 127.8492080068.

The spelling of 2089749 in words is "two million, eighty-nine thousand, seven hundred forty-nine".