2097789 has 8 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 1360656.

The previous prime is 2097787. The next prime is 2097803. The reversal of 2097789 is 9877902.

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

It is not a de Polignac number, because 2097789 - 2¹ = 2097787 is a prime.

It is a Curzon number.

2097789 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2097789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9339 + ... + 9560.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

2^2097789 is an apocalyptic number.

It is an amenable number.

2097789 is a deficient number, since it is larger than the sum of its proper divisors (775011).

2097789 is a wasteful number, since it uses less digits than its factorization.

2097789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18939.

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

The square root of 2097789 is about 1448.3746062397. The cubic root of 2097789 is about 128.0129584862.

The spelling of 2097789 in words is "two million, ninety-seven thousand, seven hundred eighty-nine".