835040 has 48 divisors (see below), whose sum is σ = 2095632. Its totient is φ = 313344.

The previous prime is 835039. The next prime is 835097. The reversal of 835040 is 40538.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2567 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (43659).

2⁸³⁵⁰⁴⁰ is an apocalyptic number.

835040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 835040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047816).

835040 is an abundant number, since it is smaller than the sum of its proper divisors (1260592).

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

835040 is a wasteful number, since it uses less digits than its factorization.

835040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 835040 is about 913.8052308889. The cubic root of 835040 is about 94.1678004754.

Adding to 835040 its reverse (40538), we get a palindrome (875578).

The spelling of 835040 in words is "eight hundred thirty-five thousand, forty".