2729855 has 8 divisors (see below), whose sum is σ = 3352272. Its totient is φ = 2132928.

The previous prime is 2729833. The next prime is 2729861. The reversal of 2729855 is 5589272.

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 2729855 - 2¹⁸ = 2467711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6134 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (419034).

2^2729855 is an apocalyptic number.

2729855 is a deficient number, since it is larger than the sum of its proper divisors (622417).

2729855 is a wasteful number, since it uses less digits than its factorization.

2729855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745.

The product of its digits is 50400, while the sum is 38.

The square root of 2729855 is about 1652.2272846071. The cubic root of 2729855 is about 139.7590242326.

The spelling of 2729855 in words is "two million, seven hundred twenty-nine thousand, eight hundred fifty-five".