2685635 has 4 divisors (see below), whose sum is σ = 3222768. Its totient is φ = 2148504.

The previous prime is 2685629. The next prime is 2685649. The reversal of 2685635 is 5365862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2685635 - 2¹⁰ = 2684611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2685595 and 2685604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268559 + ... + 268568.

It is an arithmetic number, because the mean of its divisors is an integer number (805692).

2^2685635 is an apocalyptic number.

2685635 is a deficient number, since it is larger than the sum of its proper divisors (537133).

2685635 is an equidigital number, since it uses as much as digits as its factorization.

2685635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537132.

The product of its digits is 43200, while the sum is 35.

The square root of 2685635 is about 1638.7907126903. The cubic root of 2685635 is about 139.0002760376. Note that the first 3 decimals are identical.

The spelling of 2685635 in words is "two million, six hundred eighty-five thousand, six hundred thirty-five".