836872 has 16 divisors (see below), whose sum is σ = 1591740. Its totient is φ = 412416.

The previous prime is 836863. The next prime is 836873. The reversal of 836872 is 278638.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 37636 = 894^2 + 194^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 836872.

It is not an unprimeable number, because it can be changed into a prime (836873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133 + ... + 1300.

2⁸³⁶⁸⁷² is an apocalyptic number.

It is an amenable number.

836872 is a deficient number, since it is larger than the sum of its proper divisors (754868).

836872 is a wasteful number, since it uses less digits than its factorization.

836872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1508 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 836872 is about 914.8070834881. The cubic root of 836872 is about 94.2366153039.

The spelling of 836872 in words is "eight hundred thirty-six thousand, eight hundred seventy-two".