833240 has 32 divisors (see below), whose sum is σ = 1928880. Its totient is φ = 323712.

The previous prime is 833219. The next prime is 833251. The reversal of 833240 is 42338.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 833240.

It is an unprimeable number.

833240 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199 + ... + 1761.

2⁸³³²⁴⁰ 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 833240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964440).

833240 is an abundant number, since it is smaller than the sum of its proper divisors (1095640).

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

833240 is a wasteful number, since it uses less digits than its factorization.

833240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 833240 is about 912.8198069718. The cubic root of 833240 is about 94.1000895558.

Adding to 833240 its reverse (42338), we get a palindrome (875578).

The spelling of 833240 in words is "eight hundred thirty-three thousand, two hundred forty".