2089797 has 16 divisors (see below), whose sum is σ = 2914752. Its totient is φ = 1330560.

The previous prime is 2089781. The next prime is 2089807. The reversal of 2089797 is 7979802.

It is not a de Polignac number, because 2089797 - 2⁴ = 2089781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089727) 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 15 ways as a sum of consecutive naturals, for example, 7297 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (182172).

2^2089797 is an apocalyptic number.

It is an amenable number.

2089797 is a deficient number, since it is larger than the sum of its proper divisors (824955).

2089797 is a wasteful number, since it uses less digits than its factorization.

2089797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 2089797 is about 1445.6130187571. The cubic root of 2089797 is about 127.8501868668.

The spelling of 2089797 in words is "two million, eighty-nine thousand, seven hundred ninety-seven".