2730855 has 8 divisors (see below), whose sum is σ = 4369392. Its totient is φ = 1456448.

The previous prime is 2730823. The next prime is 2730869. The reversal of 2730855 is 5580372.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2730855 - 2⁵ = 2730823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91014 + ... + 91043.

It is an arithmetic number, because the mean of its divisors is an integer number (546174).

2^2730855 is an apocalyptic number.

2730855 is a deficient number, since it is larger than the sum of its proper divisors (1638537).

2730855 is a wasteful number, since it uses less digits than its factorization.

2730855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182065.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2730855 is about 1652.5298787011. The cubic root of 2730855 is about 139.7760876496.

The spelling of 2730855 in words is "two million, seven hundred thirty thousand, eight hundred fifty-five".