6805455 has 16 divisors (see below), whose sum is σ = 11028480. Its totient is φ = 3583008.

The previous prime is 6805453. The next prime is 6805471. The reversal of 6805455 is 5545086.

It is not a de Polignac number, because 6805455 - 2¹ = 6805453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6805453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (689280).

Almost surely, 2^6805455 is an apocalyptic number.

6805455 is a deficient number, since it is larger than the sum of its proper divisors (4223025).

6805455 is a wasteful number, since it uses less digits than its factorization.

6805455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 6805455 is about 2608.7267009022. The cubic root of 6805455 is about 189.5042941734.

It can be divided in two parts, 6805 and 455, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6805455 in words is "six million, eight hundred five thousand, four hundred fifty-five".