836485 has 16 divisors (see below), whose sum is σ = 1146096. Its totient is φ = 580608.

The previous prime is 836477. The next prime is 836491. The reversal of 836485 is 584638.

It can be written as a sum of positive squares in 8 ways, for example, as 2916 + 833569 = 54^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 836485 - 2³ = 836477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 836485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (71631).

2⁸³⁶⁴⁸⁵ is an apocalyptic number.

836485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

836485 is a deficient number, since it is larger than the sum of its proper divisors (309611).

836485 is a wasteful number, since it uses less digits than its factorization.

836485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its digits is 23040, while the sum is 34.

The square root of 836485 is about 914.5955390226. The cubic root of 836485 is about 94.2220869199. Note that the first 3 decimals are identical.

The spelling of 836485 in words is "eight hundred thirty-six thousand, four hundred eighty-five".