2685189 has 16 divisors (see below), whose sum is σ = 3981824. Its totient is φ = 1598400.

The previous prime is 2685187. The next prime is 2685191. The reversal of 2685189 is 9815862.

It is an interprime number because it is at equal distance from previous prime (2685187) and next prime (2685191).

It is not a de Polignac number, because 2685189 - 2¹ = 2685187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (248864).

2^2685189 is an apocalyptic number.

It is an amenable number.

2685189 is a deficient number, since it is larger than the sum of its proper divisors (1296635).

2685189 is a wasteful number, since it uses less digits than its factorization.

2685189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its digits is 34560, while the sum is 39.

The square root of 2685189 is about 1638.6546310922. The cubic root of 2685189 is about 138.9925810784.

The spelling of 2685189 in words is "two million, six hundred eighty-five thousand, one hundred eighty-nine".