835240 has 64 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 269568.

The previous prime is 835217. The next prime is 835249. The reversal of 835240 is 42538.

835240 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

835240 is an undulating number in base 12.

It is not an unprimeable number, because it can be changed into a prime (835249) 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 15 ways as a sum of consecutive naturals, for example, 5242 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (35550).

2⁸³⁵²⁴⁰ 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 835240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137600).

835240 is an abundant number, since it is smaller than the sum of its proper divisors (1439960).

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

835240 is a wasteful number, since it uses less digits than its factorization.

835240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 835240 is about 913.9146568471. The cubic root of 835240 is about 94.1753179024.

Adding to 835240 its reverse (42538), we get a palindrome (877778).

The spelling of 835240 in words is "eight hundred thirty-five thousand, two hundred forty".