806465 has 24 divisors (see below), whose sum is σ = 1123584. Its totient is φ = 554400.

The previous prime is 806453. The next prime is 806467. The reversal of 806465 is 564608.

It is a de Polignac number, because none of the positive numbers 2^k-806465 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806465.

It is not an unprimeable number, because it can be changed into a prime (806467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18734 + ... + 18776.

It is an arithmetic number, because the mean of its divisors is an integer number (46816).

2⁸⁰⁶⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

806465 is a deficient number, since it is larger than the sum of its proper divisors (317119).

806465 is a wasteful number, since it uses less digits than its factorization.

806465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 806465 is about 898.0339637230. The cubic root of 806465 is about 93.0811716645.

The spelling of 806465 in words is "eight hundred six thousand, four hundred sixty-five".