836040 has 32 divisors (see below), whose sum is σ = 2508480. Its totient is φ = 222912.

The previous prime is 835997. The next prime is 836047. The reversal of 836040 is 40638.

It is a junction number, because it is equal to n+sod(n) for n = 835998 and 836016.

It is not an unprimeable number, because it can be changed into a prime (836047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (78390).

2⁸³⁶⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

836040 is an abundant number, since it is smaller than the sum of its proper divisors (1672440).

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

836040 is a wasteful number, since it uses less digits than its factorization.

836040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 836040 is about 914.3522297233. The cubic root of 836040 is about 94.2053756156.

Adding to 836040 its reverse (40638), we get a palindrome (876678).

The spelling of 836040 in words is "eight hundred thirty-six thousand, forty".