2089849 has 4 divisors (see below), whose sum is σ = 2180736. Its totient is φ = 1998964.

The previous prime is 2089847. The next prime is 2089853. The reversal of 2089849 is 9489802.

It is a happy number.

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 2089849 - 2¹ = 2089847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089847) 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, 45409 + ... + 45454.

It is an arithmetic number, because the mean of its divisors is an integer number (545184).

2^2089849 is an apocalyptic number.

It is an amenable number.

2089849 is a deficient number, since it is larger than the sum of its proper divisors (90887).

2089849 is an equidigital number, since it uses as much as digits as its factorization.

2089849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90886.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2089849 is about 1445.6310040948. The cubic root of 2089849 is about 127.8512472815.

The spelling of 2089849 in words is "two million, eighty-nine thousand, eight hundred forty-nine".