2162855 has 8 divisors (see below), whose sum is σ = 2603664. Its totient is φ = 1724800.

The previous prime is 2162843. The next prime is 2162869. The reversal of 2162855 is 5582612.

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

It is not a de Polignac number, because 2162855 - 2¹² = 2158759 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 6² + 2²¹ + 8⁵ + 5 + 5³ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (325458).

2^2162855 is an apocalyptic number.

2162855 is a deficient number, since it is larger than the sum of its proper divisors (440809).

2162855 is an equidigital number, since it uses as much as digits as its factorization.

2162855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its digits is 4800, while the sum is 29.

The square root of 2162855 is about 1470.6648156531. The cubic root of 2162855 is about 129.3230092077.

The spelling of 2162855 in words is "two million, one hundred sixty-two thousand, eight hundred fifty-five".