836940 has 96 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 193536.

The previous prime is 836939. The next prime is 836951. The reversal of 836940 is 49638.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 836898 and 836907.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 836940.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22602 + ... + 22638.

It is an arithmetic number, because the mean of its divisors is an integer number (27930).

2⁸³⁶⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340640).

836940 is an abundant number, since it is smaller than the sum of its proper divisors (1844340).

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

836940 is a wasteful number, since it uses less digits than its factorization.

836940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 836940 is about 914.8442490391. The cubic root of 836940 is about 94.2391676322.

The spelling of 836940 in words is "eight hundred thirty-six thousand, nine hundred forty".