806455 has 16 divisors (see below), whose sum is σ = 1098720. Its totient is φ = 563328.

The previous prime is 806453. The next prime is 806467. The reversal of 806455 is 554608.

It is a cyclic number.

It is not a de Polignac number, because 806455 - 2¹ = 806453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 909 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (68670).

2⁸⁰⁶⁴⁵⁵ is an apocalyptic number.

806455 is a deficient number, since it is larger than the sum of its proper divisors (292265).

806455 is a wasteful number, since it uses less digits than its factorization.

806455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 806455 is about 898.0283959876. The cubic root of 806455 is about 93.0807869338.

It can be divided in two parts, 80645 and 5, that multiplied together give a square (403225 = 635²).

The spelling of 806455 in words is "eight hundred six thousand, four hundred fifty-five".