836868 has 12 divisors (see below), whose sum is σ = 1952720. Its totient is φ = 278952.

The previous prime is 836863. The next prime is 836873. The reversal of 836868 is 868638.

It is an interprime number because it is at equal distance from previous prime (836863) and next prime (836873).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 836868.

It is not an unprimeable number, because it can be changed into a prime (836861) by changing a digit.

836868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 34858 + ... + 34881.

2⁸³⁶⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

836868 is an abundant number, since it is smaller than the sum of its proper divisors (1115852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

836868 is a wasteful number, since it uses less digits than its factorization.

836868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69746 (or 69744 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 836868 is about 914.8048972322. The cubic root of 836868 is about 94.2364651626.

The spelling of 836868 in words is "eight hundred thirty-six thousand, eight hundred sixty-eight".