2088685 has 4 divisors (see below), whose sum is σ = 2506428. Its totient is φ = 1670944.

The previous prime is 2088683. The next prime is 2088703. The reversal of 2088685 is 5868802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5868802 = 2 ⋅2934401.

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 1542564 = 739^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 2088685 - 2¹ = 2088683 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 (2088683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208864 + ... + 208873.

It is an arithmetic number, because the mean of its divisors is an integer number (626607).

2^2088685 is an apocalyptic number.

It is an amenable number.

2088685 is a deficient number, since it is larger than the sum of its proper divisors (417743).

2088685 is an equidigital number, since it uses as much as digits as its factorization.

2088685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417742.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2088685 is about 1445.2283556587. The cubic root of 2088685 is about 127.8275060942.

The spelling of 2088685 in words is "two million, eighty-eight thousand, six hundred eighty-five".