2724685 has 4 divisors (see below), whose sum is σ = 3269628. Its totient is φ = 2179744.

The previous prime is 2724661. The next prime is 2724697. The reversal of 2724685 is 5864272.

2724685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 2377764 = 589^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2724685 - 2⁵ = 2724653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2724685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272464 + ... + 272473.

It is an arithmetic number, because the mean of its divisors is an integer number (817407).

2^2724685 is an apocalyptic number.

It is an amenable number.

2724685 is a deficient number, since it is larger than the sum of its proper divisors (544943).

2724685 is an equidigital number, since it uses as much as digits as its factorization.

2724685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544942.

The product of its digits is 26880, while the sum is 34.

The square root of 2724685 is about 1650.6619884156. The cubic root of 2724685 is about 139.6707398393.

The spelling of 2724685 in words is "two million, seven hundred twenty-four thousand, six hundred eighty-five".