836461 has 4 divisors (see below), whose sum is σ = 838300. Its totient is φ = 834624.

The previous prime is 836449. The next prime is 836471. The reversal of 836461 is 164638.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 469225 = 606^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 836461 - 2¹⁷ = 705389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836471) 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 3 ways as a sum of consecutive naturals, for example, 325 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (209575).

2⁸³⁶⁴⁶¹ is an apocalyptic number.

It is an amenable number.

836461 is a deficient number, since it is larger than the sum of its proper divisors (1839).

836461 is a wasteful number, since it uses less digits than its factorization.

836461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 3456, while the sum is 28.

The square root of 836461 is about 914.5824183746. The cubic root of 836461 is about 94.2211857873.

The spelling of 836461 in words is "eight hundred thirty-six thousand, four hundred sixty-one".